US2426985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of heating opposed metal parts by combined induced and conducted electric currents
Assignee: Utiea Drop Forge & Tool Corp
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Filing: 1945-04-07
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Granted: 1947-09-09
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Expires: 1965-04-07
Abstract
No abstract record available.
Inventors
- 👤 Falih N Darmara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:55
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |