NL31867C - - Google Patents
Info
- Publication number
- NL31867C NL31867C NL60216A NL60216A NL31867C NL 31867 C NL31867 C NL 31867C NL 60216 A NL60216 A NL 60216A NL 60216 A NL60216 A NL 60216A NL 31867 C NL31867 C NL 31867C
- Authority
- NL
- Netherlands
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders
- A24F7/04—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders with smoke filters
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
- A24D3/166—Silicic acid or silicates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO31867X | 1931-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL31867C true NL31867C (en) |
Family
ID=1795834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL60216A NL31867C (en) | 1931-05-29 | 1932-02-15 |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL31867C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511898A (en) * | 1950-06-20 | Cigarette holder |
-
1932
- 1932-02-15 NL NL60216A patent/NL31867C/xx active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511898A (en) * | 1950-06-20 | Cigarette holder |