Patent US2964256A successfully refreshed from Google Patents.
US2964256A
Expired / Lapsed
US
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Continuous film magazine
Assignee: Graflex Inc
•
Filing: 1958-04-16
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Granted: 1960-12-13
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Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Archie H Gorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:20
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G03B21/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716774A
Cited
US1639469A
Cited
US2037601A
Cited
US2398639A
Cited
US2706629A
Cited
US2837332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |