Patent US4772874A successfully refreshed from Google Patents.
US2945291A
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US
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Frictional material
Assignee: Motors Liquidation Co
•
Filing: 1958-11-28
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Granted: 1960-07-19
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Ankeny
- 👤 John W Arnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:39
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/027; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239134A
Cited
US2367406A
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US2408430A
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US2731360A
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US2848795A
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US2784105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |