US3099194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposure regulating means for cameras
Assignee: Rollei Werke Franke und Heidecke GmbH and Co KG
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Filing: 1961-05-23
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Granted: 1963-07-30
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Weiss Richard
- 👤 Prochnow Claus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PHOTEGRAPHIC CAMERA OF THE TYPE HAVING A BAYONET MOUNT FOR DETACHABLY RECEIVING A FILTER MOUNTABLE ON AND DEMOUNTABLE FROM THE CAMERA BY A TWISTING MOTION, EXPOSURE METER MEANS, AND MEANS FOR INTRODUCING A FILTER FACTOR ADJUSTMENT INTO SAID EXPOSURE METER MEANS, CHARACTERIZED BY MEANS OPERATED BY TWISTING A FILTER RELATIVE TO SAID BAYONET MOUNT FOR OPERATING SAID FILTER FACTOR INTRODUCING MEANS.
Claim 2
Dependent Claim
62 words
A PHOTEGRAPHIC CAMERA OF THE TYPE HAVING A BAYONET MOUNT FOR DETACHABLY RECEIVING A FILTER MOUNTABLE ON AND DEMOUNTABLE FROM THE CAMERA BY A TWISTING MOTION, EXPOSURE METER MEANS, AND MEANS FOR INTRODUCING A FILTER FACTOR ADJUSTMENT INTO SAID EXPOSURE METER MEANS, CHARACTERIZED BY MEANS OPERATED BY TWISTING A FILTER RELATIVE TO SAID BAYONET MOUNT FOR OPERATING SAID FILTER FACTOR INTRODUCING MEANS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |