Patent US2779007A successfully refreshed from Google Patents.
US2779007A
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Assignee: International Business Machines Corp
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Filing: 1951-12-21
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Granted: 1957-01-22
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Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 James M Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:07
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/73; H01R13/74; H01R13/741; H01R13/743; H01R13/40; H01R13/42; H01R13/428; H01R13/432; H01R13/405; H01R13/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194122A
Cited
US1039423A
Cited
AT99583B
Cited
US2142818A
Cited
US2431583A
Cited
US2330948A
Cited
US2466607A
Cited
US2426429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |