Patent US3314346A successfully refreshed from Google Patents.
US3314346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light controlled shutter
Assignee: Agfa Gevaert NV
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Filing: 1964-09-28
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Granted: 1967-04-18
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kremp Rudolf
- 👤 Kiper Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:38
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083; G03B9/00; G03B9/08; G03B9/10; G03B9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
IN A CAMERA, IN COMBINATION, SPRING-LOADED SHUTTER MEANS INCLUDING BLADE MEANS MOVABLE FROM A CLOSED POSITION TO AN OPEN POSITION AND BACK TO CLOSED POSITION, AND OPERATING MEANS MOVABLE TO EFFECT MOVEMENT OF SAID BLADE MEANS BACK TO CLOSED POSITION; MANUALLY CONTROLLED MEANS INCLUDING MEANS FOR HOLDING SAID OPERATING MEANS IN A FIRST POSITION CORRESPONDING TO THE OPEN POSITION OF SAID BLADE MEANS AND OPERATIVE TO RELEASE SAID OPERATING MEANS FOR MOVEMENT TO A SECOND POSITION CORRESPONDING TO THE CLOSED POSITION OF SAID BLADE MEANS; AND CONTROL MEANS SEPARATE FROM SAID MANUALLY CONTROLLED MEANS AND INCLUDING RETAINING MEANS FOR RELEASABLY RETAINING THE OPERATING MEANS IN SAID FIRST POSITION, AND AN ELECTRIC CIRCUIT COMPRISING LIGHT-SENSITIVE ELECTROMAGNETIC MEANS OPERATIVE TO EFFECT MOVEMENT OF SAID OPERATING MEANS FROM FIRST POSITION TO SECOND POSITION AND TO THEREBY EFFECT MOVEMENT OF SAID BLADE MEANS BACK TO CLOSED POSITION WITH A DELAY WHICH IS A FUNCTION OF THE INTENSITY OF SCENE LIGHT, AND CONTROL SWITCH MEANS ACTUATED BY SAID MANUALLY CONTROLLED MEANS TO OPERATE SAID ELECTROMAGNETIC MEANS IN THE COURSE OF RELEASE OF SAID OPERATING MEANS BY SAID MANUALLY CONTROLLED MEANS FOR MOVEMENT TO SECOND POSITION.
Claim 2
Dependent Claim
190 words
IN A CAMERA, IN COMBINATION, SPRING-LOADED SHUTTER MEANS INCLUDING BLADE MEANS MOVABLE FROM A CLOSED POSITION TO AN OPEN POSITION AND BACK TO CLOSED POSITION, AND OPERATING MEANS MOVABLE TO EFFECT MOVEMENT OF SAID BLADE MEANS BACK TO CLOSED POSITION; MANUALLY CONTROLLED MEANS INCLUDING MEANS FOR HOLDING SAID OPERATING MEANS IN A FIRST POSITION CORRESPONDING TO THE OPEN POSITION OF SAID BLADE MEANS AND OPERATIVE TO RELEASE SAID OPERATING MEANS FOR MOVEMENT TO A SECOND POSITION CORRESPONDING TO THE CLOSED POSITION OF SAID BLADE MEANS; AND CONTROL MEANS SEPARATE FROM SAID MANUALLY CONTROLLED MEANS AND INCLUDING RETAINING MEANS FOR RELEASABLY RETAINING THE OPERATING MEANS IN SAID FIRST POSITION, AND AN ELECTRIC CIRCUIT COMPRISING LIGHT-SENSITIVE ELECTROMAGNETIC MEANS OPERATIVE TO EFFECT MOVEMENT OF SAID OPERATING MEANS FROM FIRST POSITION TO SECOND POSITION AND TO THEREBY EFFECT MOVEMENT OF SAID BLADE MEANS BACK TO CLOSED POSITION WITH A DELAY WHICH IS A FUNCTION OF THE INTENSITY OF SCENE LIGHT, AND CONTROL SWITCH MEANS ACTUATED BY SAID MANUALLY CONTROLLED MEANS TO OPERATE SAID ELECTROMAGNETIC MEANS IN THE COURSE OF RELEASE OF SAID OPERATING MEANS BY SAID MANUALLY CONTROLLED MEANS FOR MOVEMENT TO SECOND POSITION.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |