FR2303935B1 - - Google Patents
Info
- Publication number
- FR2303935B1 FR2303935B1 FR7604315A FR7604315A FR2303935B1 FR 2303935 B1 FR2303935 B1 FR 2303935B1 FR 7604315 A FR7604315 A FR 7604315A FR 7604315 A FR7604315 A FR 7604315A FR 2303935 B1 FR2303935 B1 FR 2303935B1
- Authority
- FR
- France
- 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
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/04—Eyepieces; Magnifying glasses affording a wide-angle view, e.g. through a spy-hole
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Hinges (AREA)
- Lenses (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7502788A SE382264B (sv) | 1975-03-12 | 1975-03-12 | Anordning vid dorrkikare. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2303935A1 FR2303935A1 (fr) | 1976-10-08 |
| FR2303935B1 true FR2303935B1 (US07709020-20100504-C00032.png) | 1979-08-31 |
Family
ID=20323939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7604315A Granted FR2303935A1 (fr) | 1975-03-12 | 1976-02-17 | Judas |
Country Status (13)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472025A (en) * | 1982-09-09 | 1984-09-18 | Huston Henry H | Visual orientation device |
| US4763444A (en) * | 1987-06-30 | 1988-08-16 | Ritchie Ruben R | Viewing and oral communications assembly for doors |
| US4964711A (en) * | 1989-02-09 | 1990-10-23 | Degnan Donald E | Viewing device |
| US5262901A (en) * | 1992-03-10 | 1993-11-16 | Rudolph-Desco Company, Inc. | Door viewer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE381095C (de) * | 1923-09-15 | Johann Horak | Optischer Schutzapparat zum Beobachten des Innern von gegen Einbruch oder Diebstahl zu sichernden Laeden o. dgl. mit mehreren unter einem Winkel gegeneinander geneigten Objektiven | |
| US1708746A (en) * | 1927-04-16 | 1929-04-09 | Company C P Goerz Optische Ans | Panorama-exhibiting apparatus |
| US2491758A (en) * | 1947-09-17 | 1949-12-20 | Nichols Abe | Peephole for doors |
| US3526452A (en) * | 1966-06-27 | 1970-09-01 | Lazare Paul | Optical apparatus |
| US3910676A (en) * | 1974-10-07 | 1975-10-07 | Raymond Lee Organization Inc | Viewing device |
| CH639051A5 (fr) * | 1979-02-02 | 1983-10-31 | Diffusion Rech Tech Financ | Liant incombustible, adhesif et insensible a l'eau. |
-
1975
- 1975-03-12 SE SE7502788A patent/SE382264B/xx not_active IP Right Cessation
-
1976
- 1976-01-26 FI FI760170A patent/FI760170A/fi not_active Application Discontinuation
- 1976-01-27 GB GB3140/76A patent/GB1507281A/en not_active Expired
- 1976-01-29 US US05/653,609 patent/US4050792A/en not_active Expired - Lifetime
- 1976-02-02 JP JP51009442A patent/JPS51111346A/ja active Pending
- 1976-02-03 IT IT19839/76A patent/IT1055862B/it active
- 1976-02-17 FR FR7604315A patent/FR2303935A1/fr active Granted
- 1976-02-20 DE DE7605142U patent/DE7605142U1/de not_active Expired
- 1976-03-02 CH CH255676A patent/CH601636A5/xx not_active IP Right Cessation
- 1976-03-09 BE BE164974A patent/BE839344A/xx unknown
- 1976-03-10 DK DK101776A patent/DK101776A/da unknown
- 1976-03-11 NL NL7602540A patent/NL7602540A/xx not_active Application Discontinuation
- 1976-03-12 ES ES76446005A patent/ES446005A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4050792A (en) | 1977-09-27 |
| CH601636A5 (US07709020-20100504-C00032.png) | 1978-07-14 |
| ES446005A1 (es) | 1977-05-16 |
| BE839344A (fr) | 1976-07-01 |
| GB1507281A (en) | 1978-04-12 |
| DK101776A (da) | 1976-09-13 |
| FR2303935A1 (fr) | 1976-10-08 |
| FI760170A (US07709020-20100504-C00032.png) | 1976-09-13 |
| JPS51111346A (en) | 1976-10-01 |
| IT1055862B (it) | 1982-01-11 |
| DE7605142U1 (de) | 1976-08-05 |
| NL7602540A (nl) | 1976-09-14 |
| SE382264B (sv) | 1976-01-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |