FR2170691A5 - - Google Patents
Info
- Publication number
- FR2170691A5 FR2170691A5 FR7303121A FR7303121A FR2170691A5 FR 2170691 A5 FR2170691 A5 FR 2170691A5 FR 7303121 A FR7303121 A FR 7303121A FR 7303121 A FR7303121 A FR 7303121A FR 2170691 A5 FR2170691 A5 FR 2170691A5
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22194772A | 1972-01-31 | 1972-01-31 | |
| US22194872A | 1972-01-31 | 1972-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2170691A5 true FR2170691A5 (enExample) | 1973-09-14 |
Family
ID=26916314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7303121A Expired FR2170691A5 (enExample) | 1972-01-31 | 1973-01-30 |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU5154473A (enExample) |
| CH (1) | CH561916A5 (enExample) |
| DE (1) | DE7303319U (enExample) |
| FR (1) | FR2170691A5 (enExample) |
| GB (1) | GB1416235A (enExample) |
| IT (1) | IT978533B (enExample) |
-
1973
- 1973-01-25 GB GB378873A patent/GB1416235A/en not_active Expired
- 1973-01-26 IT IT1968573A patent/IT978533B/it active
- 1973-01-30 FR FR7303121A patent/FR2170691A5/fr not_active Expired
- 1973-01-30 CH CH127373A patent/CH561916A5/xx not_active IP Right Cessation
- 1973-01-30 DE DE19737303319 patent/DE7303319U/de not_active Expired
- 1973-01-30 AU AU51544/73A patent/AU5154473A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1416235A (en) | 1975-12-03 |
| IT978533B (it) | 1974-09-20 |
| AU5154473A (en) | 1973-05-24 |
| CH561916A5 (enExample) | 1975-05-15 |
| DE7303319U (de) | 1973-05-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |