Patent US3212418A successfully refreshed from Google Patents.
US3212418A
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US
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Photographic camera provided with viewfinder indicator for different operating ranges
Assignee: Zeiss Ikon AG
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Filing: 1962-11-23
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Granted: 1965-10-19
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 Kuppenbender Heinz
- 👤 Sauer Edgar
- 👤 Koppen Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:49
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/18; G03B17/20; G03B13/00; G03B13/02; G03B7/00; G03B7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A PHOTOGRAPHIC CAMERA, THE COMBINATION WITH A CAMERA CASING, OF A PHOTOGRAPHIC LENS SYSTEM, A VIEWFINDER, AN EXPOSURE METER, AN ADJUSTABLE DIAPHRAGM, MEANS FOR PROVIDING FOR FLASH BLUB OPERATION, A DISTANCE ADJUSTING RING ARRANGED CONCENTRICALLY ABOUT THE OPTICAL AXIS OF SAID LENS SYSTEM, A MANUALLY OPERABLE CHANGE-OVER RING FOR SELECTIVELY ADJUSTING SAID CAMERA TO ANY ONE OF A NUMBER OF DIFFERENT OPERATING RANGES INCLUDING A FLASH BULB OPERATION, AN AUTOMATIC EXPOSURE OPERATION AND A MANUAL DIAPHRAGM OPERTURE ADJUSTMENT, INDICATING MEANS VISIBLE WHEN LOOKING INTO SAID VIEWFINDER FOR INDICATING BY MEANS OF DISTINCTIVE MARKS TO WHICH ONE OF SAID OPERATING RANGES THE CAMERA HAS BEEN ADJUSTED BY SAID CHANGE-OVER RING AND MEANS OPERATIVELY CONNECTING SAID CHANGE-OVER RING WITH SAID INDICATING MEANS.
Claim 2
Dependent Claim
121 words
IN A PHOTOGRAPHIC CAMERA, THE COMBINATION WITH A CAMERA CASING, OF A PHOTOGRAPHIC LENS SYSTEM, A VIEWFINDER, AN EXPOSURE METER, AN ADJUSTABLE DIAPHRAGM, MEANS FOR PROVIDING FOR FLASH BLUB OPERATION, A DISTANCE ADJUSTING RING ARRANGED CONCENTRICALLY ABOUT THE OPTICAL AXIS OF SAID LENS SYSTEM, A MANUALLY OPERABLE CHANGE-OVER RING FOR SELECTIVELY ADJUSTING SAID CAMERA TO ANY ONE OF A NUMBER OF DIFFERENT OPERATING RANGES INCLUDING A FLASH BULB OPERATION, AN AUTOMATIC EXPOSURE OPERATION AND A MANUAL DIAPHRAGM OPERTURE ADJUSTMENT, INDICATING MEANS VISIBLE WHEN LOOKING INTO SAID VIEWFINDER FOR INDICATING BY MEANS OF DISTINCTIVE MARKS TO WHICH ONE OF SAID OPERATING RANGES THE CAMERA HAS BEEN ADJUSTED BY SAID CHANGE-OVER RING AND MEANS OPERATIVELY CONNECTING SAID CHANGE-OVER RING WITH SAID INDICATING MEANS.
References Cited (Backward Citations)
US3063352A
Cited
US3016811A
Cited
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 |