Patent US2767302A successfully refreshed from Google Patents.
US2767302A
Expired / Lapsed
US
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Welding apparatus
Assignee: American Brake Shoe Co
•
Filing: 1953-12-09
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Granted: 1956-10-16
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Expires: 1973-12-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Turner G Brashear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:12
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/18; B23K9/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1953915A
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US1959194A
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US1959180A
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US2189399A
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US2198085A
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US2314917A
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GB608270A
Cited
US2536294A
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US2666832A
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US2478525A
Cited
US2666122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |