Patent US3073222A successfully refreshed from Google Patents.
US3073222A
Expired / Lapsed
US
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Camera with a built-in exposure meter
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1961-02-27
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Granted: 1963-01-15
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Broschke Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:49
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
IN A CAMERA, THE COMBINATION COMPRISING: AN EXPOSURE METER INCLUDING A PHOTOELECTRIC CELL, A MEASURING MECHANISM WITH A MOVABLE INDICATOR ELECTRICALLY CONNECTED TO SAID CELL FOR DEFLECTION OF SAID INDICATOR IN RESPONSE TO THE CURRENT OF SAID CELL, AND SENSITIVITY ADJUSTMENT MEANS OPERATIVELY CONNECTED TO SAID CELL FOR ALTERING THE SENSITIVITY OF SAI DMETER SO AS TO ESTABLISH TWO MEASURING RANGES, MEANS ON SAID CAMERA FOR ADJUSTING THE EXPOSURE TIME AND DIAPHRAGM MEANS OF SAID CAMERA; A FLEXIBLE TAPE IN OPERATIVE CONNECTION WITH SAID ADJUSTING MEANS AND MOVING LENGTHWISE IN ACCORDANCE WITH ADJUSTMENT OF SAID ADJUSTING MEANS; MEANS FOR OPERATIVELY COUPLING INDIVIDUALLY SAID MECHANISM AND SAID SENSITIVITY ADJUSTMENT MEANS OF SAID METER TO SAID TAPE FOR TRANSMITTING MOVEMENT OF SAID TAPE TO SAID INDICATOR; AND A TWO-POSITION ADJUSTMENT MEMBER CONNECTED TO SAID TAPE AND TO SAID SENSITIVITY ADJUSTMENT MEANS FOR MOVING SAID TAPE LENGTHWISE FOR A PREDETERMINED DISTANCE THEREBY ALTERING CONCURRENTLY METER SENSITIVITY AND SELECTING ONE AMONG THE SAID TWO RANGES.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |