US3203331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm for photographic cameras
Assignee: Agfa Gevaert NV
•
Filing: 1961-11-14
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Granted: 1965-08-31
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Hofmann Wilfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN A CAMERA, IN COMBINATION, A PAIR OF ROTARY DIAPHRAGM RINGS AND A PLURALITY OF DIAPHRAGM BLADES THERBETWEEN; AND A PAIR OF PIN-AND-SLOT CONNECTIONS CONNECTING EACH BLADES TO SAID RINGS AND THE SLOTS TOF SAID PINAND-SLOT CONNECTIONS RESPECTIVELY HAVING DIFFERENT CONFIGURATIONS PROVIDING ONE TYPE OF MOVEMENT OF SAID BLADES WHEN ONE OF SAID RINGS TURNS WITH RESPECT TO THE OTHER AND ANOTHER TYPE OF MOVEMENT OF SAID BLADES WHEN THE OTHER OF SAID RINGS TURNS WITH RESPECT TO SAID ONE RING, THE PINS OF THE PIN-AND-SLOT CONNECTIONS PROVIDING WHEN ONE OF SAID RINGS TURNS A PLURALITY OF PIVOT AXES FOR SAID BLADES, RESPECTIVELY, WITH RESPECT TO THE OTHER RING AND WHEN SAID OTHER RING TURNS A PLURALITY OF PIVOT AXES FOR SAID BLADES, RESPECTIVELY, WITH RESPECT TO SAID ONE RING; A PLURALITY OF SLOT CONNECTIONS OF SAID BLADES TO ONE OF SAID RINGS; AND SLOT CONNECTIONS OF SAID BLADES TO ONE OF SAID RINGS; AND
Claim 2
Dependent Claim
155 words
IN A CAMERA, IN COMBINATION, A PAIR OF ROTARY DIAPHRAGM RINGS AND A PLURALITY OF DIAPHRAGM BLADES THERBETWEEN; AND A PAIR OF PIN-AND-SLOT CONNECTIONS CONNECTING EACH BLADES TO SAID RINGS AND THE SLOTS TOF SAID PINAND-SLOT CONNECTIONS RESPECTIVELY HAVING DIFFERENT CONFIGURATIONS PROVIDING ONE TYPE OF MOVEMENT OF SAID BLADES WHEN ONE OF SAID RINGS TURNS WITH RESPECT TO THE OTHER AND ANOTHER TYPE OF MOVEMENT OF SAID BLADES WHEN THE OTHER OF SAID RINGS TURNS WITH RESPECT TO SAID ONE RING, THE PINS OF THE PIN-AND-SLOT CONNECTIONS PROVIDING WHEN ONE OF SAID RINGS TURNS A PLURALITY OF PIVOT AXES FOR SAID BLADES, RESPECTIVELY, WITH RESPECT TO THE OTHER RING AND WHEN SAID OTHER RING TURNS A PLURALITY OF PIVOT AXES FOR SAID BLADES, RESPECTIVELY, WITH RESPECT TO SAID ONE RING; A PLURALITY OF SLOT CONNECTIONS OF SAID BLADES TO ONE OF SAID RINGS; AND SLOT CONNECTIONS OF SAID BLADES TO ONE OF SAID RINGS; AND
References Cited (Backward Citations)
US2549230A
Cited
US2911897A
Cited
US3040643A
Cited
US2925765A
Cited
US2981163A
Cited
US2996968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |