US2093810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making tubing
Assignee: Motors Liquidation Co
•
Filing: 1936-03-13
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Granted: 1937-09-21
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Expires: 1956-03-13
Abstract
No abstract record available.
Inventors
- 👤 Karmazin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359; Y10T29/49826; Y10T29/49881
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) | 1940-09-20 | 1941-03-22 | 1941-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-20 | 1945-03-22 | 1945-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-20 | 1949-03-22 | 1949-09-21 | $7700.00 | Window Closed / Lapsed |