US2453165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing tubing for transportation
Assignee: Primerica Inc
•
Filing: 1943-12-03
•
Granted: 1948-11-09
•
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
2026-10-28 14:59
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2669; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1951394A
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US2103271A
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US1997349A
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US2075921A
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US2190494A
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US2176925A
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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) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |