US2531376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera having means for feeding a plurality of film strips
Assignee: Marks & Fulier Inc
•
Filing: 1944-10-30
•
Granted: 1950-11-21
•
Expires: 1964-10-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818462A
Cited
US1909424A
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US1945863A
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US1873571A
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US1959922A
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US1973483A
Cited
US1859258A
Cited
GB443815A
Cited
US2245606A
Cited
US2227259A
Cited
US2388423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |