US3264965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter having multiple escapement mechanisms
Assignee: Hittech Prontor GmbH
•
Filing: 1963-09-12
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Granted: 1966-08-09
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Waldemar T Rentschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:18
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PHOTOGRAPHIC SHUTTER COMPRISING A SHUTTER BLADE; A SHUTTER BLADE DRIVING MEMBER CONNECTED THERETO; A DRIVING MECHANISM CONNECTED TO SAID DRIVING MEMBER; A MAIN ESCAPEMENT MECHANISM CONNECTED TO SAID DRIVING MECHANISM TO CONTROL THE OPERATING SPEED THEREOF; A SUBSIDIARY ESCAPEMENT MECHANISM; AND A LOCKING DEVICE CONNECTED TO SAID MAIN ESCAPEMENT MECHANISM AND CONTROLLED BY SAID SUBSIDIARY ESCAPEMENT MECHANISM TO INTERRUPT THE OPERATION OF SAID MAIN ESCAPEMENT MECHANISM AND THERE-
Claim 2
Dependent Claim
69 words
A PHOTOGRAPHIC SHUTTER COMPRISING A SHUTTER BLADE; A SHUTTER BLADE DRIVING MEMBER CONNECTED THERETO; A DRIVING MECHANISM CONNECTED TO SAID DRIVING MEMBER; A MAIN ESCAPEMENT MECHANISM CONNECTED TO SAID DRIVING MECHANISM TO CONTROL THE OPERATING SPEED THEREOF; A SUBSIDIARY ESCAPEMENT MECHANISM; AND A LOCKING DEVICE CONNECTED TO SAID MAIN ESCAPEMENT MECHANISM AND CONTROLLED BY SAID SUBSIDIARY ESCAPEMENT MECHANISM TO INTERRUPT THE OPERATION OF SAID MAIN ESCAPEMENT MECHANISM AND THERE-
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |