US2126473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making tubular articles
Assignee: Motors Liquidation Co
•
Filing: 1936-02-10
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Granted: 1938-08-09
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Expires: 1956-02-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/10; B21C37/104; B21D; B21D51/00; B21D51/02; B21D51/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49792
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) | 1941-08-08 | 1942-02-07 | 1942-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-08 | 1946-02-07 | 1946-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-08 | 1950-02-07 | 1950-08-09 | $7700.00 | Window Closed / Lapsed |