US2495415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency electromagnetic cooking apparatus
Assignee: Raytheon Co
•
Filing: 1945-10-17
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Granted: 1950-01-24
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Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Laurence K Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:54
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900573A
Cited
US1972050A
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US2197122A
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US2407690A
Cited
US2325638A
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US2354656A
Cited
US2400777A
Cited
US2398606A
Cited
US2427094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |