Patent US3276343A successfully refreshed from Google Patents.
US3276343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter housing
Assignee: Compur Werk GmbH and Co
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Filing: 1964-06-09
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Granted: 1966-10-04
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Spiessl Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:30
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/18; G03B9/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PHOTOGRAPHIC SHUTTER HOUSING OF GENERALLY ANNULAR FORM HAVING A CENTRAL LIGHT APERTURE THROUGH WHICH THE OPTICAL AXIS PASSES, AND A PLATE OF GENERALLY ANNULAR FORM SURROUNDING SAID LIGHT APERTURE, CHARACTERIZED BY THE FACT THAT THE PLATE HAS AT LEAST ONE RADIAL PROJECTION WHICH IS RESILIENT IN A RADIAL DIRECTION WITH RESPECT TO THE LIGHT APERTURE AND THE HOUSING HAS AT LEAST ONE RADIAL RECESS FOR RECEIVING THE RADIAL PROJECTION, THE PROJECTION BEING ADAPTED TO ENGAGE IN THE CORRESPONDING RECESS IN A POSITIVE MANNER AT LEAST IN AN AXIAL DIRECTION, FOR ANCHORING THE PLATE TO THE HOUSING AGAINST DISPLACEMENT IN AN AXIAL DIRECTION, SAID PROJECTION BEING SUFFICIENTLY RESILIENT IN A RADIAL DIRECTION SO THAT IT MAY BE SPRUNG RADIALLY FAR ENOUGH TO RELEASE IT FROM THE RADIAL RECESS IN WHICH IT IS NORMALLY RECEIVED.
Claim 2
Dependent Claim
134 words
A PHOTOGRAPHIC SHUTTER HOUSING OF GENERALLY ANNULAR FORM HAVING A CENTRAL LIGHT APERTURE THROUGH WHICH THE OPTICAL AXIS PASSES, AND A PLATE OF GENERALLY ANNULAR FORM SURROUNDING SAID LIGHT APERTURE, CHARACTERIZED BY THE FACT THAT THE PLATE HAS AT LEAST ONE RADIAL PROJECTION WHICH IS RESILIENT IN A RADIAL DIRECTION WITH RESPECT TO THE LIGHT APERTURE AND THE HOUSING HAS AT LEAST ONE RADIAL RECESS FOR RECEIVING THE RADIAL PROJECTION, THE PROJECTION BEING ADAPTED TO ENGAGE IN THE CORRESPONDING RECESS IN A POSITIVE MANNER AT LEAST IN AN AXIAL DIRECTION, FOR ANCHORING THE PLATE TO THE HOUSING AGAINST DISPLACEMENT IN AN AXIAL DIRECTION, SAID PROJECTION BEING SUFFICIENTLY RESILIENT IN A RADIAL DIRECTION SO THAT IT MAY BE SPRUNG RADIALLY FAR ENOUGH TO RELEASE IT FROM THE RADIAL RECESS IN WHICH IT IS NORMALLY RECEIVED.
References Cited (Backward Citations)
US3162110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |