US2427747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction heating apparatus for brazing fillets
Assignee: Westinghouse Electric Corp
•
Filing: 1944-07-07
•
Granted: 1947-09-23
•
Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Stanley S Schneider
- 👤 Warren D Kinsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:47
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/102; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1566500A
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US970488A
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FR493992A
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US1915047A
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US1988827A
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US2052010A
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US2231888A
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US2205424A
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US2182341A
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US2280337A
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US2316506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |