US2952145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spline joint
Assignee: International Business Machines Corp
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Filing: 1959-07-13
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Granted: 1960-09-13
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:07
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/065; F16C; F16C29/00; F16C29/04
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |