US2456091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor for high-frequency induction heating
Assignee: Induction Heating Corp
•
Filing: 1945-03-12
•
Granted: 1948-12-14
•
Expires: 1965-03-12
Abstract
No abstract record available.
Inventors
- 👤 Nelson B Stevens
- 👤 Pasquale R Capolongo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/365; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1412484A
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US2180513A
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US2277564A
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US2321189A
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US2353130A
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US2408229A
Cited
US2402508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |