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Patent US2944813A successfully refreshed from Google Patents.
US2944813A
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Document handling apparatus
Assignee: Unisys Corp
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Filing: 1958-11-13
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Granted: 1960-07-12
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Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 John G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:40
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/04; B65H31/06; B65H29/00; B65H29/70; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/12; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4214; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912; Y; Y10; Y10S; Y10S271/00; Y10S271/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |