US2837626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing welded tubing
Assignee: Huntington Alloys Corp
•
Filing: 1951-02-02
•
Granted: 1958-06-03
•
Expires: 1971-02-02
Abstract
No abstract record available.
Inventors
- 👤 Buck Mortimer Pierce
- 👤 Crumbley Cecil Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:51
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/122; B23; B23K; B23K9/00; B23K9/02; B23K9/032; B23K9/0325
Claims Analysis
Total Claims: 0
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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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |