US2282029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording device
Assignee: International Business Machines Corp
•
Filing: 1939-06-30
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Granted: 1942-05-05
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Expires: 1959-06-30
Abstract
No abstract record available.
Inventors
- 👤 James W Bryce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:18
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/12; B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/38; G06K1/00; G06K1/12; G06K1/126; G06K19/00; G06K19/06; G06K19/06009; G06K2019/06215; G06K2019/06225; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/301792
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) | 1945-05-04 | 1945-11-03 | 1946-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-04 | 1949-11-03 | 1950-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-04 | 1953-11-03 | 1954-05-05 | $7700.00 | Window Closed / Lapsed |