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US2937583A
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US
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Camera
Assignee: RAY A SHAPERO
•
Filing: 1955-08-29
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Granted: 1960-05-24
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Redfield Monroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:28
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943232A
Cited
US1064252A
Cited
US1346358A
Cited
US1559815A
Cited
US1897903A
Cited
US1915791A
Cited
US1962031A
Cited
US2192755A
Cited
US2218245A
Cited
US2257424A
Cited
US2351399A
Cited
US2422354A
Cited
US2446638A
Cited
US2552018A
Cited
US2521734A
Cited
US2520296A
Cited
US2534214A
Cited
US2552250A
Cited
US2679790A
Cited
US2754721A
Cited
US2772941A
Cited
US2809571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |