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US3008036A
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Initiating and stabilizing welding arcs
Assignee: Airco Inc
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Filing: 1959-11-13
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Granted: 1961-11-07
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 William J Greene
- 👤 Jr Arthur F Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/073; B23K9/0738; B23K11/00; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2629071A
Cited
US2659036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |