US2970751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card handling apparatus
Assignee: International Business Machines Corp
•
Filing: 1957-12-30
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Granted: 1961-02-07
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 George F Daly
- 👤 James A Weidenhammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:47
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/246; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB508954A
Cited
US2290827A
Cited
US2699210A
Cited
US2756824A
Cited
US2812940A
Cited
US2862555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |