Patent US5363861A successfully refreshed from Google Patents.
US2620977A
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Card feed controlling mechanism
Assignee: International Business Machines Corp
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Filing: 1950-12-29
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Granted: 1952-12-09
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Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 Stewart Richard Alan
- 👤 Arnold E Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K13/067; B; B65; B65H; B65H1/00; B65H1/04; B65H1/06; B65H3/00; B65H3/02; B65H3/06; B65H3/063; B65H3/34; B65H2220/00; B65H2220/01; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/423; B65H2301/4232; B65H2301/42322; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1914
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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |