US2941414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch mechanism
Assignee: LEE ENGINEERING Co
•
Filing: 1954-03-30
•
Granted: 1960-06-21
•
Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lee Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:38
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/105; B; B23; B23G; B23G1/00; B23G1/16; F16D13/00; F16D13/08; Y; Y10; Y10T; Y10T408/00; Y10T408/70; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22767E
Cited
US1602504A
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US2383295A
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US2483950A
Cited
US2487280A
Cited
US2516269A
Cited
US2700442A
Cited
US2784610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |