US2475329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lash-free gear driving mechanism
Assignee: International Business Machines Corp
•
Filing: 1946-02-01
•
Granted: 1949-07-05
•
Expires: 1966-02-01
Abstract
No abstract record available.
Inventors
- 👤 Leathers Ward
- 👤 Bruehl Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:12
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/12; F16H2057/121; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/19633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319194A
Cited
US1438878A
Cited
US1496867A
Cited
US1949643A
Cited
US2336307A
Cited
US2400385A
Cited
US2322719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |