US3149548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic objective lens
Assignee: Kamera und Kinowerke Dresden VEB
•
Filing: 1961-07-17
•
Granted: 1964-09-22
•
Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Kromer Karl
- 👤 Hahn Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:08
CPC Classifications
G; G03; G03B; G03B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PHOTOGRAPHIC CAMERA HAVING A HOUSING, AN OBJECTIVE LENS ASSEMBLY AXIALLY SLIDABLE WITHIN SAID HOUSING, MEANS ON SAID HOUSING FOR LIMITING THE AXIAL MOVEMENT OF SAID OBJECTIVE LENS ASSEMBLY IN AT LEAST ONE DIRECTION, MEANS ARRANGED BETWEEN SAID HOUSING AND SAID ASSEMBLY FOR PREVENTING ROTATIONAL MOVEMENT OF THE LATTER, A THREADED PORTION PROVIDED ON SAID ASSEMBLY, A SETTING NUT IN ENGAGEMENT WITH SAID THREADED PORTION, A DISTANCE SETTING RING COUPLED WITH SAID SETTING NUT, AN EXPOSURE FACTOR SETTING MEANS CARRIED BY THE HOUSING, AND MEANS FOR COUPLING SAID DISTANCE SETTING RING WITH SAID EXPOSURE FACTOR SETTING MEANS, THE PROVISION OF RESILIENT MEANS ARRANGED IN SAID HOUSING BETWEEN A FIXED POSITION ON THE LATTER AND SAID SETTING NUT FOR URGING THE LATTER TOWARDS A FURTHER FIXED POSITION ON THE HOUSING.
Claim 2
Dependent Claim
130 words
IN A PHOTOGRAPHIC CAMERA HAVING A HOUSING, AN OBJECTIVE LENS ASSEMBLY AXIALLY SLIDABLE WITHIN SAID HOUSING, MEANS ON SAID HOUSING FOR LIMITING THE AXIAL MOVEMENT OF SAID OBJECTIVE LENS ASSEMBLY IN AT LEAST ONE DIRECTION, MEANS ARRANGED BETWEEN SAID HOUSING AND SAID ASSEMBLY FOR PREVENTING ROTATIONAL MOVEMENT OF THE LATTER, A THREADED PORTION PROVIDED ON SAID ASSEMBLY, A SETTING NUT IN ENGAGEMENT WITH SAID THREADED PORTION, A DISTANCE SETTING RING COUPLED WITH SAID SETTING NUT, AN EXPOSURE FACTOR SETTING MEANS CARRIED BY THE HOUSING, AND MEANS FOR COUPLING SAID DISTANCE SETTING RING WITH SAID EXPOSURE FACTOR SETTING MEANS, THE PROVISION OF RESILIENT MEANS ARRANGED IN SAID HOUSING BETWEEN A FIXED POSITION ON THE LATTER AND SAID SETTING NUT FOR URGING THE LATTER TOWARDS A FURTHER FIXED POSITION ON THE HOUSING.
References Cited (Backward Citations)
US2917983A
Cited
GB895856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |