Patent US2866080A successfully refreshed from Google Patents.
US2866080A
Expired / Lapsed
US
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Electric arc welding
Assignee: Westinghouse Electric Corp
•
Filing: 1956-05-18
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Granted: 1958-12-23
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Edward R Gamberg
- 👤 James M Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:50
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1746081A
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US1993455A
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US2152785A
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US2320824A
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GB584355A
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US2436387A
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US2489002A
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US2536294A
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US2655586A
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US2777047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |