US3212419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with built-in electric exposure meter
Assignee: Voigtlander AG
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Filing: 1963-02-08
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Granted: 1965-10-19
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Fischer Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:34
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/85; C08G63/86; C08G63/866; G; G03; G03B; G03B7/00; G03B7/08; G03B7/099; G03B7/0993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A PHOTOGRAPHIC CAMERA, A HOUSING AND AN OBJECTIVE LENS UNIT CARRIED BY SAID HOUSING AND INCLUDING A TUBULAR LENS MOUNT CARRYING IN ITS INTERIOR OBJECTIVE LENSES AND HAVING A FRONT END PORTION PROJECTING FORWARDLY BEYOND SAID LENSES AND CARRYING A MEANS FOR REMOVABLY SUPPORTING AN OPTICAL ACCESSORY ONLY IN FRONT OF SAID OBJECTIVE LENSES, SAID UNIT INCLUDING A PHOTOSENSITIVE MEANS, FORMING PART OF A LIGHT-MEASURING ASSEMBLY AND ARRANGED ALONG A PATH SURROUNDING SAID TUBULAR LENS MOUNT, AND AN OUTER MOUNTING MEANS OF A DIAMETER AT LEAST AS GREAT AS SAID PHOTOSENSITIVE MEANS FOR REMOVABLY SUPPORTING AN OPTICAL ACCESSORY WHICH WILL MODIFY LIGHT WHICH REACHES BOTH THE OBJECTIVE LENSES AND SAID PHOTOSENSITIVE MEANS, SAID OUTER MOUNTING MEANS PROJECTING FORWARDLY BEYOND SAID MEANS CARRIED BY SAID FRONT END PORTION OF SAID TUBULAR LENS MOUNT SO THAT AN OPTICAL ACCESSORY CARRIED BY SAID MEANS AT SAID FRONT END PORTION OF SAID TUBULAR LENS CAN BE LOCATED BETWEEN THE OBJECTIVE LENSES AND AN OPTICAL ACCESSORY CARRIED BY SAID OUTER MOUNTING MEANS.
Claim 2
Dependent Claim
168 words
IN A PHOTOGRAPHIC CAMERA, A HOUSING AND AN OBJECTIVE LENS UNIT CARRIED BY SAID HOUSING AND INCLUDING A TUBULAR LENS MOUNT CARRYING IN ITS INTERIOR OBJECTIVE LENSES AND HAVING A FRONT END PORTION PROJECTING FORWARDLY BEYOND SAID LENSES AND CARRYING A MEANS FOR REMOVABLY SUPPORTING AN OPTICAL ACCESSORY ONLY IN FRONT OF SAID OBJECTIVE LENSES, SAID UNIT INCLUDING A PHOTOSENSITIVE MEANS, FORMING PART OF A LIGHT-MEASURING ASSEMBLY AND ARRANGED ALONG A PATH SURROUNDING SAID TUBULAR LENS MOUNT, AND AN OUTER MOUNTING MEANS OF A DIAMETER AT LEAST AS GREAT AS SAID PHOTOSENSITIVE MEANS FOR REMOVABLY SUPPORTING AN OPTICAL ACCESSORY WHICH WILL MODIFY LIGHT WHICH REACHES BOTH THE OBJECTIVE LENSES AND SAID PHOTOSENSITIVE MEANS, SAID OUTER MOUNTING MEANS PROJECTING FORWARDLY BEYOND SAID MEANS CARRIED BY SAID FRONT END PORTION OF SAID TUBULAR LENS MOUNT SO THAT AN OPTICAL ACCESSORY CARRIED BY SAID MEANS AT SAID FRONT END PORTION OF SAID TUBULAR LENS CAN BE LOCATED BETWEEN THE OBJECTIVE LENSES AND AN OPTICAL ACCESSORY CARRIED BY SAID OUTER MOUNTING MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |