US2603741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency heating
Assignee: Goodrich Corp
•
Filing: 1946-12-12
•
Granted: 1952-07-15
•
Expires: 1966-12-12
Abstract
No abstract record available.
Inventors
- 👤 Anton G Seifried
- 👤 William L Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:18
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/05; A23B2/08; H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S528/00; Y10S528/931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2495415A
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US2500752A
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US2480682A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |