Patent US2730085A successfully refreshed from Google Patents.
US2730085A
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Cylinder head
Assignee: Motors Liquidation Co
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Filing: 1950-12-19
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Granted: 1956-01-10
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Expires: 1970-12-19
Abstract
No abstract record available.
Inventors
- 👤 William E Brill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:08
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; F02F1/42; F02F1/4214; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B2275/00; F02B2275/14; F02B3/00; F02B3/06; F02F2001/008; F02F2001/244; F02F2001/247; F02F2001/249; F02F2200/00; F02F2200/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731228A
Cited
US1026871A
Cited
GB161198A
Cited
US1479129A
Cited
US1845901A
Cited
US1984101A
Cited
US2021942A
Cited
FR794336A
Cited
US2199423A
Cited
US2622579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |