Patent US3072033A successfully refreshed from Google Patents.
US3072033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic cameras
Assignee: Kamera und Kinowerke Dresden VEB
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Filing: 1961-07-17
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Granted: 1963-01-08
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Hahn Werner
- 👤 Noack Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:01
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PHOTOGRAPHIC CAMERA HAVING AN OBJECTIVE LENS, A BUILT-IN DIAPHRAGM, A SETTING RING ON THE CAMERA FOR SETTING SAID DIAPHRAGM, A GALVANOMETER HAVING A POINTER, AND AN EXPOSURE TIME SETTING MEMBER, THE PROVISION OF A FOLLOW-UP MEMBER IN THE FORM OF A STOP CAM, A SETTING SPRING ASSOCIATED WITH THE SETTING RING AND WHICH PULLS THE STOP CAM TOWARDS THE INSTRUMENT POINTER, A CHANGEOVER SWITCH FOR DAYLIGHT AND ARTIFICIAL LIGHT EXPOSURES, A CAM ACTUATED BY THE SWITCH AND SERVING TO BLOCK THE EXPOSURE TIME SETTING MEMBER, A CONTROL CAM ALSO ACTUATED BY SAID CHANGE-OVER SWITCH, AND MEANS MOVABLE BY SAID CONTROL CAM INTO THE PATH OF THE INSTRUMENT POINTER TO PREVENT MOVEMENT OF THE LATTER OVER A PREDETERMINED RANGE OF APERTURE VALUES, SAID RANGE INCREASING FROM THE SMALLEST VALUE.
Claim 2
Dependent Claim
130 words
IN A PHOTOGRAPHIC CAMERA HAVING AN OBJECTIVE LENS, A BUILT-IN DIAPHRAGM, A SETTING RING ON THE CAMERA FOR SETTING SAID DIAPHRAGM, A GALVANOMETER HAVING A POINTER, AND AN EXPOSURE TIME SETTING MEMBER, THE PROVISION OF A FOLLOW-UP MEMBER IN THE FORM OF A STOP CAM, A SETTING SPRING ASSOCIATED WITH THE SETTING RING AND WHICH PULLS THE STOP CAM TOWARDS THE INSTRUMENT POINTER, A CHANGEOVER SWITCH FOR DAYLIGHT AND ARTIFICIAL LIGHT EXPOSURES, A CAM ACTUATED BY THE SWITCH AND SERVING TO BLOCK THE EXPOSURE TIME SETTING MEMBER, A CONTROL CAM ALSO ACTUATED BY SAID CHANGE-OVER SWITCH, AND MEANS MOVABLE BY SAID CONTROL CAM INTO THE PATH OF THE INSTRUMENT POINTER TO PREVENT MOVEMENT OF THE LATTER OVER A PREDETERMINED RANGE OF APERTURE VALUES, SAID RANGE INCREASING FROM THE SMALLEST VALUE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |