Patent US2947231A successfully refreshed from Google Patents.
US2947231A
Expired / Lapsed
US
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Photographic camera provided with in terchangeable shutter having interchangeable lens
Assignee: COMPUR WERK FRIEDRICH DECKEL
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Filing: 1955-09-26
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Granted: 1960-08-02
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Gebele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:01
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE303088C
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US2190729A
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US2472586A
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US2596328A
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US2649024A
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US2716930A
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FR1095630A
Cited
FR1086169A
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US2887940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |