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US2453791A
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US
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Fluid clutch, governor controlled
Assignee: International Motors LLC
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Filing: 1943-12-31
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Granted: 1948-11-16
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Expires: 1963-12-31
Abstract
No abstract record available.
Inventors
- 👤 William H Harstick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:31
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/08; F; F16; F16D; F16D33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190209943A
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US810975A
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US1760775A
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US2106609A
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GB443892A
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US2182049A
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US2195561A
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US2299049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |