US2880662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic method and apparatus
Assignee: Logetronics Inc
•
Filing: 1954-11-19
•
Granted: 1959-04-07
•
Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Dwin R Craig
- 👤 John N Street
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/725
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1742943A
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US2101932A
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US2484299A
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US2462340A
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US2499039A
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US2565399A
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US2691917A
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GB713285A
Cited
US2764060A
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US2757571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |