US2951931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic arc welding process, equipment and electrode
Assignee: La Soudure Electrique Autogene SA
•
Filing: 1957-01-22
•
Granted: 1960-09-06
•
Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Danhier Francois Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/0206; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3608; B23K35/368; B23K35/3607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1374711A
Cited
US1501266A
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US2200737A
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US2490179A
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US2504867A
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US2544711A
Cited
US2713106A
Cited
BE527009A
Cited
US2781441A
Cited
FR1142934A
Cited
US2755211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |