US2490548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite articles
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
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
B; B21; B21H; B21H8/00; B21H8/005; C; C23; C23C; C23C4/00; C23C4/02; C23C4/04; C23C4/06; C23C4/08; C23C4/18; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/24; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49671; Y10T29/49673; Y10T29/49675; Y10T29/4998; Y10T29/49982; Y10T29/49993; Y10T428/00; Y10T428/12; Y10T428/12451; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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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 |