US2756609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball friction drive
Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1954-03-26
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Granted: 1956-07-31
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Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 Walter H Hogan
- 👤 Bourassa Hugues
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:03
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H19/00; F16H19/02; F16H19/025; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2350538A
Cited
US2441168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |