US2992822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple item detector for document handling machines
Assignee: Unisys Corp
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Filing: 1958-10-24
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Granted: 1961-07-18
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Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
- 👤 Carl G Fraidenburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:25
CPC Classifications
B; B65; B65H; B65H7/00; B65H7/02; B65H7/06; B65H7/12; B65H7/125; G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K13/067; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1773266A
Cited
US2063479A
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US2615492A
Cited
US2729448A
Cited
US2637552A
Cited
US2764410A
Cited
US2812941A
Cited
US2834166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |