CH561916A5 - - Google Patents
Info
- Publication number
- CH561916A5 CH561916A5 CH127373A CH127373A CH561916A5 CH 561916 A5 CH561916 A5 CH 561916A5 CH 127373 A CH127373 A CH 127373A CH 127373 A CH127373 A CH 127373A CH 561916 A5 CH561916 A5 CH 561916A5
- Authority
- CH
- Switzerland
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
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 |
---|---|
CH561916A5 true CH561916A5 (xx) | 1975-05-15 |
Family
ID=26916314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH127373A CH561916A5 (xx) | 1972-01-31 | 1973-01-30 |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU5154473A (xx) |
CH (1) | CH561916A5 (xx) |
DE (1) | DE7303319U (xx) |
FR (1) | FR2170691A5 (xx) |
GB (1) | GB1416235A (xx) |
IT (1) | IT978533B (xx) |
-
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 |
---|---|
AU5154473A (en) | 1973-05-24 |
DE7303319U (de) | 1973-05-30 |
IT978533B (it) | 1974-09-20 |
FR2170691A5 (xx) | 1973-09-14 |
GB1416235A (en) | 1975-12-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |