US3077153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic or cinematographic camera
Assignee: Kamera und Kinowerke Dresden VEB
•
Filing: 1960-03-07
•
Granted: 1963-02-12
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gopfert Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PHOTOGRAPHIC CAMERA INCLUDING A HOUSING, A SHUTTER DEVICE HAVING AN ADJUSTABLE APERTURE DIAPHRAGM, A PHOTO-ELECTRIC CELL, A MOVING COIL ELECTRICALLY CONNECTED TO SAID PHOTO-ELECTRIC CELL AND MOUNTED IN SAID HOUSING, AND A RETURN SPRING ARRANGED WITHIN THE HOUSING HAVING ONE END CONNECTED TO SAID MOVING COIL, SAID MOVING COIL BEING OPERATIVELY CONNECTED TO SAID APERTURE DIAPHRAGM FOR AUTOMATICALLY CONTROLLING THE SETTING OF THE LATTER, THE PROVISION OF A MANUALLY SETTABLE APERTURE DIAPHRAGM CONTROL MEMBER MOUNTED ON THE HOUSING, A LEVER PIVOTALLY MOUNTED WITHIN THE HOUSING AND ADJUSTABLY
Claim 2
Dependent Claim
89 words
IN A PHOTOGRAPHIC CAMERA INCLUDING A HOUSING, A SHUTTER DEVICE HAVING AN ADJUSTABLE APERTURE DIAPHRAGM, A PHOTO-ELECTRIC CELL, A MOVING COIL ELECTRICALLY CONNECTED TO SAID PHOTO-ELECTRIC CELL AND MOUNTED IN SAID HOUSING, AND A RETURN SPRING ARRANGED WITHIN THE HOUSING HAVING ONE END CONNECTED TO SAID MOVING COIL, SAID MOVING COIL BEING OPERATIVELY CONNECTED TO SAID APERTURE DIAPHRAGM FOR AUTOMATICALLY CONTROLLING THE SETTING OF THE LATTER, THE PROVISION OF A MANUALLY SETTABLE APERTURE DIAPHRAGM CONTROL MEMBER MOUNTED ON THE HOUSING, A LEVER PIVOTALLY MOUNTED WITHIN THE HOUSING AND ADJUSTABLY
References Cited (Backward Citations)
US2061909A
Cited
FR827027A
Cited
US2186613A
Cited
US2920542A
Cited
US2841064A
Cited
US2923170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |