Patent US2310124A successfully refreshed from Google Patents.
US2460119A
Expired / Lapsed
US
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Magnetron
Assignee: General Electric Co
•
Filing: 1944-09-23
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Granted: 1949-01-25
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Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 John P Blewett
- 👤 Robert V Langmuir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:32
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/01; H03B9/10; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/54; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1712402A
Cited
US1757233A
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US1727373A
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US1881910A
Cited
US2130510A
Cited
US2295396A
Cited
US2411299A
Cited
US2409038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |