US2607898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron
Assignee: General Electric Co
•
Filing: 1946-10-03
•
Granted: 1952-08-19
•
Expires: 1966-10-03
Abstract
No abstract record available.
Inventors
- 👤 Richard B Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:52
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB443077A
Cited
US2054126A
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US2144222A
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US2238272A
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US2207846A
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US2282856A
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US2406276A
Cited
US2405915A
Cited
US2426656A
Cited
US2414085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |