US2476130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge device of the magnetron type
Assignee: Raytheon Co
•
Filing: 1945-01-11
•
Granted: 1949-07-12
•
Expires: 1965-01-11
Abstract
No abstract record available.
Inventors
- 👤 Carl W Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:53
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2031778A
Cited
GB509102A
Cited
US2305781A
Cited
US2238272A
Cited
US2270777A
Cited
US2348986A
Cited
US2406276A
Cited
US2409913A
Cited
US2443445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |