US3352220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with depth of field indicator
Assignee: Compur Werk GmbH and Co
•
Filing: 1964-09-22
•
Granted: 1967-11-14
•
Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Lang Rudolf
- 👤 Hartl Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12; G03B17/00; G03B17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PHOTOGRAPHIC CAMERA COMPRISING AN ADJUSTABLE DIAPHRAGM INCLUDING A MOVABLE APERTURE CONTROL MEMBER, A DEPTH OF FIELD INDICATOR INCLUDING A MOVABLE SETTING MEMBER, EXPOSURE METER MEANS, A FEELER DEVICE INCLUDING A MOVABLE ABUTMENT ADAPTED TO BE SET IN A POSITION CORRESPONDING TO AN INDICATION OF SAID EXPOSURE METER MEANS, CHARACTERIZED BY THE FACT THAT SAID MOVABLE ABUTMENT
Claim 2
Dependent Claim
57 words
A PHOTOGRAPHIC CAMERA COMPRISING AN ADJUSTABLE DIAPHRAGM INCLUDING A MOVABLE APERTURE CONTROL MEMBER, A DEPTH OF FIELD INDICATOR INCLUDING A MOVABLE SETTING MEMBER, EXPOSURE METER MEANS, A FEELER DEVICE INCLUDING A MOVABLE ABUTMENT ADAPTED TO BE SET IN A POSITION CORRESPONDING TO AN INDICATION OF SAID EXPOSURE METER MEANS, CHARACTERIZED BY THE FACT THAT SAID MOVABLE ABUTMENT
References Cited (Backward Citations)
US2978970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |