US2585794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron
Assignee: RCA Corp
•
Filing: 1947-10-25
•
Granted: 1952-02-12
•
Expires: 1967-10-25
Abstract
No abstract record available.
Inventors
- 👤 Kurshan Jerome
- 👤 Lloyd P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:24
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/54; H01J25/56; H03; H03C; H03C3/00; H03C3/30; H03C3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943969A
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US1417912A
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GB211551A
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US2009368A
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US2096249A
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US1997053A
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US1976778A
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US2000938A
Cited
US2115521A
Cited
US2233261A
Cited
US2147159A
Cited
US2238272A
Cited
US2416298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |