Patent US4089584A successfully refreshed from Google Patents.
Patent US2490549A successfully refreshed from Google Patents.
US2490549A
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US
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Method of making composite stock
Assignee: Motors Liquidation Co
•
Filing: 1945-07-07
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Granted: 1949-12-06
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Expires: 1965-07-07
Abstract
No abstract record available.
Inventors
- 👤 Harold W Schultz
- 👤 John M Robertson
- 👤 Rasmussen Olaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:27
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/1216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1729747A
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US2171040A
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US2303869A
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US2267342A
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US2251410A
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US2289658A
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US2332737A
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US2359361A
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US2366168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |