US2845524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1955-11-30
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Granted: 1958-07-29
•
Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred J Morley
- 👤 Manno Louis
- 👤 Dixon Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:44
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2289938A
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US2428849A
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US2550495A
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US2673278A
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US2510415A
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US2510205A
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US2510207A
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US2583665A
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GB713507A
Cited
US2717948A
Cited
US2776361A
Cited
US2806127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |