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US2624774A
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Assignee: International Business Machines Corp
•
Filing: 1948-12-29
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Granted: 1953-01-06
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Expires: 1968-12-29
Abstract
No abstract record available.
Inventors
- 👤 James M Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:01
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/40; H01R13/42; H01R13/428; H01R13/434; H01R2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1864989A
Cited
US2111118A
Cited
US2300893A
Cited
US2427297A
Cited
US2405400A
Cited
US2477849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |