Patent US3200721A successfully refreshed from Google Patents.
US3200721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter and flash controlling apparatus for cameras
Assignee: Agfa Gevaert NV
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Filing: 1961-08-11
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Granted: 1965-08-17
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Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kiper Gerd
- 👤 Mitsch Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:54
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A CAMERA, IN COMBINATION, A PAIR OF ROTARY SHUTTER RINGS ONE OF WHICH IS AN OPENING RING FOR OPENING THE SHUTTER AND THE OTHER OF WHICH IS A CLOSING RING FOR CLOSING THE SHUTTER; SWITCH MEANS MOVABLE BETWEEN OPEN AND CLOSED POSITIONS FOR CLOSING A FLASH CIRCUIT WHEN SAID SWITCH MEANS IS IN SAID CLOSED POSITION THEREOF, SAID SWITCH MEANS INCLUDING A STATIONARY CONTACT ANDA MOVABLE CONTACT WHICH SLIDABLY ENGAGES SAID STATIONARY CONTACT AT LEAST DURING POART OF THE TIME THAT SAID SWITCH MEANS IS IN SAID CLOSED POSITION THEREOF, SAID MOVABLE CONTACT BEING IN THE FORM OF A LEVER AND THE ELECTRICAL CIRCUIT INCLUDING A PIVOT PIN SUPPORTING SAID LEVER FOR FREE TURNING MOVEMENT; SWITCH-CLOSING MEANS MOVED BY SAID OPENING RING WHEN THE LATTER TURNS TO OPEN THE SHUTTER AND
Claim 2
Dependent Claim
132 words
IN A CAMERA, IN COMBINATION, A PAIR OF ROTARY SHUTTER RINGS ONE OF WHICH IS AN OPENING RING FOR OPENING THE SHUTTER AND THE OTHER OF WHICH IS A CLOSING RING FOR CLOSING THE SHUTTER; SWITCH MEANS MOVABLE BETWEEN OPEN AND CLOSED POSITIONS FOR CLOSING A FLASH CIRCUIT WHEN SAID SWITCH MEANS IS IN SAID CLOSED POSITION THEREOF, SAID SWITCH MEANS INCLUDING A STATIONARY CONTACT ANDA MOVABLE CONTACT WHICH SLIDABLY ENGAGES SAID STATIONARY CONTACT AT LEAST DURING POART OF THE TIME THAT SAID SWITCH MEANS IS IN SAID CLOSED POSITION THEREOF, SAID MOVABLE CONTACT BEING IN THE FORM OF A LEVER AND THE ELECTRICAL CIRCUIT INCLUDING A PIVOT PIN SUPPORTING SAID LEVER FOR FREE TURNING MOVEMENT; SWITCH-CLOSING MEANS MOVED BY SAID OPENING RING WHEN THE LATTER TURNS TO OPEN THE SHUTTER AND
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |