FR432769A - LED to indicate if the light is off in an apartment or other - Google Patents

LED to indicate if the light is off in an apartment or other

Info

Publication number
FR432769A
FR432769A FR432769DA FR432769A FR 432769 A FR432769 A FR 432769A FR 432769D A FR432769D A FR 432769DA FR 432769 A FR432769 A FR 432769A
Authority
FR
France
Prior art keywords
apartment
led
indicate
light
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
Application number
Other languages
French (fr)
Inventor
Heinrich Korrodi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR432769A publication Critical patent/FR432769A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR432769D 1911-03-17 1911-07-31 LED to indicate if the light is off in an apartment or other Expired FR432769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH432769X 1911-03-17

Publications (1)

Publication Number Publication Date
FR432769A true FR432769A (en) 1911-12-15

Family

ID=1474822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR432769D Expired FR432769A (en) 1911-03-17 1911-07-31 LED to indicate if the light is off in an apartment or other

Country Status (1)

Country Link
FR (1) FR432769A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854616A (en) * 1987-09-18 1989-08-08 Edmondson Peter C Door latch assembly with see-through capabilities

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854616A (en) * 1987-09-18 1989-08-08 Edmondson Peter C Door latch assembly with see-through capabilities

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