US2984150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-film camera unit
Assignee: Unisys Corp
•
Filing: 1956-12-20
•
Granted: 1961-05-16
•
Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Osgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2529943A
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US2578254A
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US2565074A
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US2552266A
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US2615365A
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US2578320A
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US2682194A
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US2845841A
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US2823579A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |