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US2762225A
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US
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Clutch operator
Assignee: W H MINER Inc
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Filing: 1950-07-21
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Granted: 1956-09-11
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Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 William E Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:57
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/08; F16D11/10; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/2048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439628A
Cited
US512258A
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US564488A
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US1317290A
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US1110519A
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US1612481A
Cited
US2457764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |