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Patent US3048692A successfully refreshed from Google Patents.
US3048692A
Expired / Lapsed
US
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Welding apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1959-09-04
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Granted: 1962-08-07
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Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
- 👤 Harry J Bichsel
- 👤 Floyd E Adamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:59
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2057521A
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US2007751A
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GB410494A
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US2460990A
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US2468570A
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US2654015A
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US2752469A
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US2776361A
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GB798292A
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US2806127A
Cited
US2845526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |