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US2818950A
Expired / Lapsed
US
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Ratchet
Assignee: R Hoe and Co Inc
•
Filing: 1952-12-03
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Granted: 1958-01-07
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Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Charles A Harless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:19
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/12; F16H; F16H31/00; F16H31/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1122146A
Cited
US1799987A
Cited
US1966290A
Cited
US2079527A
Cited
US2064230A
Cited
US2153556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |