US2654014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inert-arc welding of stainless tubing
Assignee: Republic Steel Corp
•
Filing: 1948-02-19
•
Granted: 1953-09-29
•
Expires: 1968-02-19
Abstract
No abstract record available.
Inventors
- 👤 Walter S Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:09
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025; B23K9/0253; B23K9/06; B23K9/073; B23K9/0737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2422305A
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US2405542A
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US2433296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |