Patent US2850681A successfully refreshed from Google Patents.
US2850681A
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Subminiature structure for electrical apparatus
Assignee: International Business Machines Corp
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Filing: 1955-09-28
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Granted: 1958-09-02
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Expires: 1975-09-28
Abstract
No abstract record available.
Inventors
- 👤 Paul V Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:22
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/7076; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/142; H05K2201/00; H05K2201/09; H05K2201/09145; H05K2201/09181; H05K2201/10; H05K2201/10431; H05K2201/10439; H05K2201/10446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |