Patent US2924315A successfully refreshed from Google Patents.
US2924315A
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US
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Magnetic particle coupling
Assignee: Motors Liquidation Co
•
Filing: 1956-06-26
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Granted: 1960-02-09
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Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 William E Brill
- 👤 Arthur E Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:08
CPC Classifications
F; F16; F16D; F16D37/00; F16D37/02; F16D2037/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2725133A
Cited
US2718946A
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US2745974A
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US2756852A
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US2791308A
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US2772762A
Cited
US2794525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |