US2900488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding guns with consumable electrode wire
Assignee: Air Liquide SA
•
Filing: 1955-11-09
•
Granted: 1959-08-18
•
Expires: 1975-11-09
Abstract
No abstract record available.
Inventors
- 👤 Bassot Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:11
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731502A
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US2190927A
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US2278975A
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US2391972A
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US2423190A
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US2490593A
Cited
US2526035A
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US2596708A
Cited
US2606267A
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US2753688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |