US2592206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron
Assignee: RCA Corp
•
Filing: 1946-03-16
•
Granted: 1952-04-08
•
Expires: 1966-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert L Sproull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587; H01J23/00; H01J23/02; H01J23/04; H01J23/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2130280A
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US2069832A
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US2225259A
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US2151766A
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US2138918A
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US2411601A
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US2409038A
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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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |