US3314347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera shutters
Assignee: Agfa Gevaert NV
•
Filing: 1964-10-20
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Granted: 1967-04-18
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Kremp Rudolf
- 👤 Kiper Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:02
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A CAMERA, IN COMBINATION, SHUTTER MEANS INCLUDING A LEADING BLADE AND A TRAILING BLADE, SAID LEADING BLADE MOVING FROM A COCKED TO A REST POSITION IN ADVANCE OF SAID TRAILING BLADE TO OPEN THE SHUTTER AND EXPOSE FILM WHILE SAID TRAILING BLADE THEN MOVES FROM ITS COCKED TO ITS REST POSITION TO CLOSE THE SHUTTER AND TERMINATE THE EXPOSURE; DELAYING RELAY MEANS INCLUDING A PHOTOSENSITIVE RESISTOR AND COOPERATING WITH SAID TRAILING BLADE FOR DELAYING RELEASE OF THE LATTER FOR MOVEMENT FROM ITS COCKED TO ITS REST POSITION IN ACCORDANCE WITH THE INTENSITY OF LIGHT RECEIVED BY SAID PHOTOSENSITIVE RESISTOR; SECOND IMMEDIATELY ACTUATING RELAY MEANS COOPERATING WITH SAID LEADING BLADE FOR IMMEDIATELY RELEASING THE LATTER FOR IMMEDIATE MOVEMENT FROM ITS COCKED TO ITS REST POSITION IN ORDER TO INITIATE AN EXPOSURE; SWITCH MEANS DIRECTLY AND SIMULTANEOUSLY OPERATING BOTH OF SAID RELAY MEANS TO ACTUATE SAID IMMEDIATELY ACTUATING RELAY MEANS AND TO SIMULTANEOUSLY START THE DELAY OF SAID DELAYING RELAY MEANS; AND MANUALLY OPERABLE MEANS INCLUDING COCKING MEANS FOR COCKING SAID SHUTTER MEANS AND CO-
Claim 2
Dependent Claim
174 words
IN A CAMERA, IN COMBINATION, SHUTTER MEANS INCLUDING A LEADING BLADE AND A TRAILING BLADE, SAID LEADING BLADE MOVING FROM A COCKED TO A REST POSITION IN ADVANCE OF SAID TRAILING BLADE TO OPEN THE SHUTTER AND EXPOSE FILM WHILE SAID TRAILING BLADE THEN MOVES FROM ITS COCKED TO ITS REST POSITION TO CLOSE THE SHUTTER AND TERMINATE THE EXPOSURE; DELAYING RELAY MEANS INCLUDING A PHOTOSENSITIVE RESISTOR AND COOPERATING WITH SAID TRAILING BLADE FOR DELAYING RELEASE OF THE LATTER FOR MOVEMENT FROM ITS COCKED TO ITS REST POSITION IN ACCORDANCE WITH THE INTENSITY OF LIGHT RECEIVED BY SAID PHOTOSENSITIVE RESISTOR; SECOND IMMEDIATELY ACTUATING RELAY MEANS COOPERATING WITH SAID LEADING BLADE FOR IMMEDIATELY RELEASING THE LATTER FOR IMMEDIATE MOVEMENT FROM ITS COCKED TO ITS REST POSITION IN ORDER TO INITIATE AN EXPOSURE; SWITCH MEANS DIRECTLY AND SIMULTANEOUSLY OPERATING BOTH OF SAID RELAY MEANS TO ACTUATE SAID IMMEDIATELY ACTUATING RELAY MEANS AND TO SIMULTANEOUSLY START THE DELAY OF SAID DELAYING RELAY MEANS; AND MANUALLY OPERABLE MEANS INCLUDING COCKING MEANS FOR COCKING SAID SHUTTER MEANS AND CO-
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 |