Patent JPS5582028A successfully refreshed from Google Patents.
US2428705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor for induction heating of objects of various sizes and shapes
Assignee: Induction Heating Corp
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Filing: 1945-09-06
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Granted: 1947-10-07
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Expires: 1965-09-06
Abstract
No abstract record available.
Inventors
- 👤 Armin A Finger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:54
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/06; C21D1/09; C21D1/10; H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/362; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271916A
Cited
US2353130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |