US2331584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite articles
Assignee: Motors Liquidation Co
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Filing: 1941-04-15
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Granted: 1943-10-12
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Expires: 1961-04-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Underwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:49
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C9/00; F16C9/04; F16C2220/00; F16C2220/20; F16C2223/00; F16C2223/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-11 | 1947-04-12 | 1947-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-11 | 1951-04-12 | 1951-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-11 | 1955-04-12 | 1955-10-12 | $7700.00 | Window Closed / Lapsed |