US2882478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for welding
Assignee: Hobart Brothers LLC
•
Filing: 1954-11-03
•
Granted: 1959-04-14
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edward A Hobart
- 👤 William R Schober
- 👤 John H Blankenbuehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:57
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1006; H; H01; H01F; H01F29/00; H01F29/14; H01F29/143; H01F38/00; H01F38/08; H01F38/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2802185A
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US2679024A
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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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |