US2533309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card handling mechanism
Assignee: International Business Machines Corp
•
Filing: 1947-11-03
•
Granted: 1950-12-12
•
Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert T Blakely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US269159A
Cited
US1251852A
Cited
US1275960A
Cited
US2181211A
Cited
US2414221A
Cited
US2493858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |