US3276342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera release and time exposure device
Assignee: Hittech Prontor GmbH
•
Filing: 1964-03-09
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Granted: 1966-10-04
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Waldemar T Rentschler
- 👤 Franz W R Starp
- 👤 Waldemar S Racki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:56
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN APPARATUS ADAPTED FOR RELEASING THE SHUTTER DRIVING MECHANISM OF A PHOTOGRAPHIC CAMERA SHUTTER TO OBTAIN LONG EXPOSURE TIMES WHEN THE CAMERA SHUTTER IS SET AT A B-POSITION COMPRISING (A) A MANUALLY COCKABLE SPRING DRIVEN RUNNING MECHANISM ADAPTED FOR SETTING TO DIFFERENT RUNNING TIMES, (B) A MANUALLY OPERATED PUSHER MEANS PROVIDED FOR RELEASING THE CAMERA SHUTTER OPERATIVELY ASSOCIATED WITH THE RUNNING MECHANISM, SAID PUSHER MEANS BEING ADAPTED TO ACT DIRECTLY ON THE CAMERA SHUTTER DRIVING MECHANISM, (C) MEANS RENDERED OPERATIVE FOR RELEASING SAID MECHANISM FOR RUNNING DOWN WHEN SAID PUSHER MEANS IS ACTUATED TO RELEASE THE CAMERA SHUTTER, (D) LOCKING MEANS FOR LOCKING SAID PUSHER MEANS IN ITS RELEASED POSITION DURING THE RUNNING DOWN OF SAID MECHANISM, (E) AND ACTUATING MEANS FOR EFFECTING THE RELEASE OF SAID PUSHER MEANS AT THE END OF THE RUNNING DOWN MOTION OF SAID MECHANISM FOR EFFECTING THE RETURN OF SAID PUSHER MEANS TO ITS INITIAL STARTING POSITION.
Claim 2
Independent Claim
153 words
AN APPARATUS ADAPTED FOR RELEASING THE SHUTTER DRIVING MECHANISM OF A PHOTOGRAPHIC CAMERA SHUTTER TO OBTAIN LONG EXPOSURE TIMES WHEN THE CAMERA SHUTTER IS SET AT A B-POSITION COMPRISING (A) A MANUALLY COCKABLE SPRING DRIVEN RUNNING MECHANISM ADAPTED FOR SETTING TO DIFFERENT RUNNING TIMES, (B) A MANUALLY OPERATED PUSHER MEANS PROVIDED FOR RELEASING THE CAMERA SHUTTER OPERATIVELY ASSOCIATED WITH THE RUNNING MECHANISM, SAID PUSHER MEANS BEING ADAPTED TO ACT DIRECTLY ON THE CAMERA SHUTTER DRIVING MECHANISM, (C) MEANS RENDERED OPERATIVE FOR RELEASING SAID MECHANISM FOR RUNNING DOWN WHEN SAID PUSHER MEANS IS ACTUATED TO RELEASE THE CAMERA SHUTTER, (D) LOCKING MEANS FOR LOCKING SAID PUSHER MEANS IN ITS RELEASED POSITION DURING THE RUNNING DOWN OF SAID MECHANISM, (E) AND ACTUATING MEANS FOR EFFECTING THE RELEASE OF SAID PUSHER MEANS AT THE END OF THE RUNNING DOWN MOTION OF SAID MECHANISM FOR EFFECTING THE RETURN OF SAID PUSHER MEANS TO ITS INITIAL STARTING POSITION.
References Cited (Backward Citations)
US964318A
Cited
US1523129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |