US2933995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter apparatus for cameras
Assignee: AMANO TOKUSHU KIKAI KABUSHIKI
•
Filing: 1956-04-13
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Granted: 1960-04-26
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Expires: 1976-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hino Jiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/36; G03B9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352449A
Cited
US2016058A
Cited
DE614694C
Cited
DE623093C
Cited
US2338657A
Cited
US2503777A
Cited
AT168369B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |