US2566951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record card feeding mechanism
Assignee: International Business Machines Corp
•
Filing: 1945-10-04
•
Granted: 1951-09-04
•
Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Albert W Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/07; G06K13/077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US552421A
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US1150210A
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US1418117A
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US1754955A
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US1728329A
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US1962787A
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US2052829A
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US2256823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |