US2386823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing tubing for transportation
Assignee: Primerica Inc
•
Filing: 1943-12-03
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Granted: 1945-10-16
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Expires: 1963-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ivan D Thornburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2669; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12292
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) | 1948-10-15 | 1949-04-16 | 1949-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-15 | 1953-04-16 | 1953-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-15 | 1957-04-16 | 1957-10-16 | $7700.00 | Window Closed / Lapsed |