Patent US3286097A successfully refreshed from Google Patents.
Patent US2966660A successfully refreshed from Google Patents.
US2966660A
Expired / Lapsed
US
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Comparing device for employment in a record card collator or like machine
Assignee: International Business Machines Corp
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Filing: 1959-10-09
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Granted: 1960-12-27
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Horace S Beattie
- 👤 Ralph E Page
- 👤 Ralph L Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:18
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/06; G06; G06F; G06F7/00; G06F7/06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/1093; G11C11/00; G11C11/21; G11C11/42; H; H03; H03K; H03K5/00; H03K5/22; H03K5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |