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Patent US2472925A successfully refreshed from Google Patents.
US2472925A
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Overload or fixed load clutch
Assignee: Lipe Rollway Corp
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Filing: 1944-09-07
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Granted: 1949-06-14
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Expires: 1964-09-07
Abstract
No abstract record available.
Inventors
- 👤 Charles B Spase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:51
CPC Classifications
F; F16; F16D; F16D47/00; F16D47/02; F16D43/00; F16D43/02; F16D43/20; F16D43/21; F16D43/211; F16D2300/00; F16D2300/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810516A
Cited
GB191102116A
Cited
US1232540A
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US1490951A
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US1601438A
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US1847882A
Cited
US2333553A
Cited
US2292752A
Cited
US2390908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |