Patent US2015074A successfully refreshed from Google Patents.
US2015074A
Expired / Lapsed
US
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Manufacture of welding rod or wire
Assignee: UNA WELDING Inc
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Filing: 1931-01-24
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Granted: 1935-09-24
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Expires: 1951-01-24
Abstract
No abstract record available.
Inventors
- 👤 Owen L Howland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:18
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0277; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/51; Y10T29/5187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-09-23 | 1939-03-25 | 1939-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-23 | 1943-03-25 | 1943-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-23 | 1947-03-25 | 1947-09-24 | $7700.00 | Window Closed / Lapsed |