US2915159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed-responsive clutch
Assignee: REALTY AND INDUSTRIAL Corp
•
Filing: 1953-04-10
•
Granted: 1959-12-01
•
Expires: 1973-04-10
Abstract
No abstract record available.
Inventors
- 👤 William S Gubelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:39
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1136966A
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US1587410A
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US1914841A
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US2005350A
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US2042454A
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FR754962A
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US2038450A
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US2104014A
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US2168856A
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US2392950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |