Patent US2415470A successfully refreshed from Google Patents.
US2415470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetron
Assignee: RCA Corp
•
Filing: 1943-04-21
•
Granted: 1947-02-11
•
Expires: 1963-04-21
Abstract
No abstract record available.
Inventors
- 👤 Vore Henry B De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:00
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2129713A
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US2079248A
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US2128235A
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US2108900A
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US2063342A
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US2163589A
Cited
US2115521A
Cited
US2295315A
Cited
US2284751A
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US2348986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |