US2987978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter and lens assembly
Assignee: COMPUR WERK FRIEDRICH DECKEL
•
Filing: 1956-03-23
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Granted: 1961-06-13
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Gebele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:03
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/18; G03B9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688370A
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US2190729A
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US2087020A
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US2184018A
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US2315977A
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GB674411A
Cited
CH288180A
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US2649024A
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FR1071762A
Cited
FR1111448A
Cited
US2923217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |