Patent US3213772A successfully refreshed from Google Patents.
US3213772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with coupled exposure meter
Assignee: Hittech Prontor GmbH
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Filing: 1962-12-24
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Granted: 1965-10-26
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Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Franz W R Starp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A PHOTOGRAPHIC CAMERA WITH A BUILT-IN EXPOSURE METER; A DIAPHRAGM HAVING MEANS DEFINING AN APERTURE OF VARIABLE SIZE; A DIAPHRAGM APERTURE CONTROL CONNECTED TO SAID DIAPHRAGM AND SETTABLE TO AN "AUTOMATIC" POSITION; MEANS LINKING SAID METER TO SAID DIAPHRAGM TO GOVERN THE SIZE OF THE APERTURE OF SAID DIAPHRAGM IN ACCORDANCE WITH THE AMOUNT OF LIGHT ENERGIZING SAID METER WHEN SAID CONTROL IS SET TO ITS "AUTOMATIC" POSITION; A VARIABLE SPEED SHUTTER; A SHUTTER SPEED CONTROL CONNECTED TO SAID SHUTTER AND SETTABLE TO A "PROGRAM" POSITION AND TO A "MANUAL" RANGE OF POSITIONS; MEANS LINKING SAID METER TO SAID SHUTTER WHEN SAID SHUTTER SPEED CONTROL IS IN ITS "PROGRAM" POSITION WHEREBY THE SPEED OF SHUTTER OPERATION IS AUTOMATICALLY DETERMINED BY THE AMOUNT OF LIGHT ENERGIZING SAID METER; A CAM HAVING A FIRST SECTION CORRESPONDING TO SAID "MANUAL" RANGE OF POSITIONS OF SAID
Claim 2
Dependent Claim
142 words
A PHOTOGRAPHIC CAMERA WITH A BUILT-IN EXPOSURE METER; A DIAPHRAGM HAVING MEANS DEFINING AN APERTURE OF VARIABLE SIZE; A DIAPHRAGM APERTURE CONTROL CONNECTED TO SAID DIAPHRAGM AND SETTABLE TO AN "AUTOMATIC" POSITION; MEANS LINKING SAID METER TO SAID DIAPHRAGM TO GOVERN THE SIZE OF THE APERTURE OF SAID DIAPHRAGM IN ACCORDANCE WITH THE AMOUNT OF LIGHT ENERGIZING SAID METER WHEN SAID CONTROL IS SET TO ITS "AUTOMATIC" POSITION; A VARIABLE SPEED SHUTTER; A SHUTTER SPEED CONTROL CONNECTED TO SAID SHUTTER AND SETTABLE TO A "PROGRAM" POSITION AND TO A "MANUAL" RANGE OF POSITIONS; MEANS LINKING SAID METER TO SAID SHUTTER WHEN SAID SHUTTER SPEED CONTROL IS IN ITS "PROGRAM" POSITION WHEREBY THE SPEED OF SHUTTER OPERATION IS AUTOMATICALLY DETERMINED BY THE AMOUNT OF LIGHT ENERGIZING SAID METER; A CAM HAVING A FIRST SECTION CORRESPONDING TO SAID "MANUAL" RANGE OF POSITIONS OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |