Patent US3854702A successfully refreshed from Google Patents.
Patent US3007031A successfully refreshed from Google Patents.
US3007031A
Expired / Lapsed
US
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Strip welding apparatus
Assignee: Taylor Winfield Corp
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Filing: 1957-08-27
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Granted: 1961-10-31
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Expires: 1977-08-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:29
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2078365A
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US2369830A
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US2412648A
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US2685629A
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US2663784A
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US2641673A
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US2874266A
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US2866077A
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US2794112A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |