US3199428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera shutter
Assignee: Agfa Gevaert NV
•
Filing: 1962-05-11
•
Granted: 1965-08-10
•
Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Kiper Gerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/18; G03B9/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A CAMERA SHUTTER, IN COMBINATION, A PAIR OF LEVERS OF EQUAL LENGTH ARRANGED PARALLEL TO EACH OTHER; A PAIR OF PIVOT MEANS RESPECTIVELY SUPPORTING SAID LEVERS FOR TURNING MOVEMENT BETWEEN THEIR ENDS, SAID LEVERS RESPECTIVELY HAVING LEVER ARMS OF EQUAL LENGTHS LOCATED ON EACH SIDE OF A STRAIGHT LINE DRAWN THROUGH THE PAIR OF TURNING AXES FORMED BY SAID PAIR OF PIVOT MEANS; A PAIR OF LINKS RESPECTIVELY EXTENDING PARALLEL TO AND LOCATED ON OPPOSITE SIDES OF SAID STRAIGHT LINE AND RESPECTIVELY PIVOTALLY CONNECTED AT THEIR ENDS TO THE ENDS OF SAID LEVERS SO THAT SAID LEVERS AND LINKS FORM ON OPPOSITE SIDES OF SAID LINE A PAIR OF PARALLELOGRAM LINKAGES CONSTRAINED TO MOVE IN OPPPOSITELY DIRECTIONS, RESPECTIVELY; AND A PAIR OF SHUTTER BLADES SYMMETRICALLY ARRANGED WITH RESPECT TO THE OPTICAL AXIS AND OPERATIVELY CONNECTED TO SAID LINKS TO BE MOVED THEREBY DURING TURNING OF SAID LEVERS.
Claim 2
Dependent Claim
148 words
IN A CAMERA SHUTTER, IN COMBINATION, A PAIR OF LEVERS OF EQUAL LENGTH ARRANGED PARALLEL TO EACH OTHER; A PAIR OF PIVOT MEANS RESPECTIVELY SUPPORTING SAID LEVERS FOR TURNING MOVEMENT BETWEEN THEIR ENDS, SAID LEVERS RESPECTIVELY HAVING LEVER ARMS OF EQUAL LENGTHS LOCATED ON EACH SIDE OF A STRAIGHT LINE DRAWN THROUGH THE PAIR OF TURNING AXES FORMED BY SAID PAIR OF PIVOT MEANS; A PAIR OF LINKS RESPECTIVELY EXTENDING PARALLEL TO AND LOCATED ON OPPOSITE SIDES OF SAID STRAIGHT LINE AND RESPECTIVELY PIVOTALLY CONNECTED AT THEIR ENDS TO THE ENDS OF SAID LEVERS SO THAT SAID LEVERS AND LINKS FORM ON OPPOSITE SIDES OF SAID LINE A PAIR OF PARALLELOGRAM LINKAGES CONSTRAINED TO MOVE IN OPPPOSITELY DIRECTIONS, RESPECTIVELY; AND A PAIR OF SHUTTER BLADES SYMMETRICALLY ARRANGED WITH RESPECT TO THE OPTICAL AXIS AND OPERATIVELY CONNECTED TO SAID LINKS TO BE MOVED THEREBY DURING TURNING OF SAID LEVERS.
References Cited (Backward Citations)
US885142A
Cited
US2359116A
Cited
US2578604A
Cited
US2525099A
Cited
US2670667A
Cited
US2890640A
Cited
US3089400A
Cited
US3051065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |