US2450623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency induction heating system
Assignee: General Electric Co
•
Filing: 1944-10-20
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Granted: 1948-10-05
•
Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 Harold W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:06
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/62; Y; Y10; Y10S; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1330133A
Cited
US1631667A
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US1918209A
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US2205424A
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US2339157A
Cited
US2298038A
Cited
US2341120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |