Patent US4471218B1 successfully refreshed from Google Patents.
US1966261A
Expired / Lapsed
US
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Photographic mechanism and film magazine used therewith
Assignee: FOLMER GRAFIEX Corp
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Filing: 1934-03-12
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Granted: 1934-07-10
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Expires: 1954-03-12
Abstract
No abstract record available.
Inventors
- 👤 William H Petit
- 👤 Edson S Hineline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-09 | 1938-01-08 | 1938-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-09 | 1942-01-08 | 1942-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-09 | 1946-01-08 | 1946-07-10 | $7700.00 | Window Closed / Lapsed |