US2831355A
Expired / Lapsed
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Force transmission apparatus
Assignee: International Business Machines Corp
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Filing: 1953-12-21
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Granted: 1958-04-22
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Hale G Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/104; B; B21; B21D; B21D22/00; F; F16; F16H; F16H21/00; F16H21/06; F16H21/08; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T83/00; Y10T83/869; Y10T83/8759; Y10T83/8761; Y10T83/8765; Y10T83/8776
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |