USD304854S - Portable air filter - Google Patents

Portable air filter Download PDF

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Publication number
USD304854S
USD304854S US07/187,075 US18707588F USD304854S US D304854 S USD304854 S US D304854S US 18707588 F US18707588 F US 18707588F US D304854 S USD304854 S US D304854S
Authority
US
United States
Prior art keywords
air filter
portable air
portable
reduced scale
view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/187,075
Inventor
Wyman H. Stackhouse
Ian M. Williamson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STACK HOLDINGS Inc
Stackhouse Associates Inc
Original Assignee
Stackhouse Associates
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stackhouse Associates filed Critical Stackhouse Associates
Priority to US07/187,075 priority Critical patent/USD304854S/en
Assigned to Stackhouse Associates reassignment Stackhouse Associates ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: STACKHOUSE, WYMAN H., WILLIAMSON, IAN M.
Assigned to STACKHOUSE, STACKHOUSE, WYMAN reassignment STACKHOUSE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: W. STACKHOUSE ASSOCIATES, INC., A CA. CORP.
Assigned to STACK HOLDINGS, INC. reassignment STACK HOLDINGS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: STACKHOUSE, MILDRED, STACKHOUSE, WYMAN
Application granted granted Critical
Publication of USD304854S publication Critical patent/USD304854S/en
Assigned to STACKHOUSE, INC. reassignment STACKHOUSE, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STACKHOUSE, WYMAN H.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view of a portable air filter illustrating our new design;
FIG. 2 is a front elevational view thereof, on a reduced scale;
FIG. 3 is a rear elevational view thereof, on a reduced scale;
FIG. 4 is a top plan view thereof, on a reduced scale;
FIG. 5 is a right side elevational view thereof, on a reduced scale;
FIG. 6 is a left side elevational view thereof, on a reduced scale; and
FIG. 7 is a bottom plan view thereof, on a reduced scale;

Claims (1)

  1. The ornamental design for a portable air filter, as shown.
US07/187,075 1988-04-27 1988-04-27 Portable air filter Expired - Lifetime USD304854S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/187,075 USD304854S (en) 1988-04-27 1988-04-27 Portable air filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/187,075 USD304854S (en) 1988-04-27 1988-04-27 Portable air filter

Publications (1)

Publication Number Publication Date
USD304854S true USD304854S (en) 1989-11-28

Family

ID=70221322

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/187,075 Expired - Lifetime USD304854S (en) 1988-04-27 1988-04-27 Portable air filter

Country Status (1)

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US (1) USD304854S (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370695B2 (en) 1998-01-16 2002-04-16 Depuy Orthopaedics, Inc. Head gear apparatus
US6990691B2 (en) 2003-07-18 2006-01-31 Depuy Products, Inc. Head gear apparatus
USD741985S1 (en) * 2013-04-16 2015-10-27 Fih (Hong Kong) Limited Exhaust gas treatment apparatus
USD745129S1 (en) * 2013-08-08 2015-12-08 Amano Corporation Industrial air cleaner
US11686484B2 (en) 2021-07-29 2023-06-27 Oswald Hilton Virus elimination assembly
USD992103S1 (en) * 2020-11-24 2023-07-11 Brother Industries, Ltd. Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Industrial Design, 2/1955, p. 96, Raytheon "Micronaire" Room Air Cleaner.

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370695B2 (en) 1998-01-16 2002-04-16 Depuy Orthopaedics, Inc. Head gear apparatus
US6393617B1 (en) 1998-01-16 2002-05-28 Depuy Orthopaedics, Inc. Head gear apparatus
US6513168B2 (en) 1998-01-16 2003-02-04 Depuy Orthopaedics, Inc. Head gear apparatus
US6711748B2 (en) 1998-01-16 2004-03-30 Depuy Orthopaedics, Inc. Head gear apparatus having movably mounted fan
US6990691B2 (en) 2003-07-18 2006-01-31 Depuy Products, Inc. Head gear apparatus
US7200873B2 (en) 2003-07-18 2007-04-10 Depuy Products, Inc. Head gear apparatus having improved air flow arrangement
US7937779B2 (en) 2003-07-18 2011-05-10 Depuy Products Head gear apparatus having improved air flow arrangement
USD741985S1 (en) * 2013-04-16 2015-10-27 Fih (Hong Kong) Limited Exhaust gas treatment apparatus
USD745129S1 (en) * 2013-08-08 2015-12-08 Amano Corporation Industrial air cleaner
USD992103S1 (en) * 2020-11-24 2023-07-11 Brother Industries, Ltd. Air conditioner
US11686484B2 (en) 2021-07-29 2023-06-27 Oswald Hilton Virus elimination assembly

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