US3131619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera having a built-in exposure meter and means for operating the camera automatically or manually
Assignee: Hittech Prontor GmbH
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Filing: 1962-06-06
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Granted: 1964-05-05
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Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 Waldemar T Rentschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:48
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PHOTOGRAPHIC CAMERA COMPRISING: A BUILT-IN EXPOSURE METER, AN ADJUSTABLE DIAPHRAGM, A DIAPHRAGM CONTROL MEMBER SETTABLE TO A PLURALITY OF POSITIONS INCLUDING TWO DISTINCT AUTOMATIC POSITIONS AND A RANGE OF MANUALLY CONTROLLED POSITIONS, FIRST MEANS CONNECTING SAID CONTROL MEMBER TO SAID ADJUSTABLE DIAPHRAGM WHEN SAID CONTROL MEMBER IS SET TO SAID MANUALLY CONTROLLED POSITION, A MOVABLE MEMBER, SECOND MEANS LINKING SAID MOVABLE MEMBER TO SAID EXPOSURE METER TO CONTROL THE MOTION OF SAID MOVABLE MEMBER AT LEAST PARTLY BY SAID EXPOSURE METER, THIRD MEANS LINKING SAID MOVABLE MEMBER TO SAID ADJUSTABLE DIAPHRAGM WHEN SAID CONTROL MEMBER IS SET TO EITHER OF SAID AUTOMATIC POSITIONS WHEREBY THE APERTURE SIZE OF SAID DIAPHRAGM IS CONTROLLED BY THE EXTENT OF MOVEMENT OF SAID MOVABLE MEMBER AS INFLUENCED BY SAID EXPOSURE METER, AND FOURTH MEANS TO DISABLE SAID THIRD MEANS WHEN SAID CONTROL MEMBER IS SET TO ITS MANUALLY CONTROLLED POSITION.
Claim 2
Dependent Claim
147 words
A PHOTOGRAPHIC CAMERA COMPRISING: A BUILT-IN EXPOSURE METER, AN ADJUSTABLE DIAPHRAGM, A DIAPHRAGM CONTROL MEMBER SETTABLE TO A PLURALITY OF POSITIONS INCLUDING TWO DISTINCT AUTOMATIC POSITIONS AND A RANGE OF MANUALLY CONTROLLED POSITIONS, FIRST MEANS CONNECTING SAID CONTROL MEMBER TO SAID ADJUSTABLE DIAPHRAGM WHEN SAID CONTROL MEMBER IS SET TO SAID MANUALLY CONTROLLED POSITION, A MOVABLE MEMBER, SECOND MEANS LINKING SAID MOVABLE MEMBER TO SAID EXPOSURE METER TO CONTROL THE MOTION OF SAID MOVABLE MEMBER AT LEAST PARTLY BY SAID EXPOSURE METER, THIRD MEANS LINKING SAID MOVABLE MEMBER TO SAID ADJUSTABLE DIAPHRAGM WHEN SAID CONTROL MEMBER IS SET TO EITHER OF SAID AUTOMATIC POSITIONS WHEREBY THE APERTURE SIZE OF SAID DIAPHRAGM IS CONTROLLED BY THE EXTENT OF MOVEMENT OF SAID MOVABLE MEMBER AS INFLUENCED BY SAID EXPOSURE METER, AND FOURTH MEANS TO DISABLE SAID THIRD MEANS WHEN SAID CONTROL MEMBER IS SET TO ITS MANUALLY CONTROLLED POSITION.
References Cited (Backward Citations)
US2969004A
Cited
US3013478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |