Patent US2910620A successfully refreshed from Google Patents.
US2910620A
Expired / Lapsed
US
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Magnetron tuning cavity and waveguide coupler
Assignee: Individual
•
Filing: 1957-10-15
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Granted: 1959-10-27
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Expires: 1977-10-15
Abstract
No abstract record available.
Inventors
- 👤 Jenny Hans Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2782383A
Cited
US2639404A
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US2659029A
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US2624864A
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US2658165A
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US2501545A
Cited
US2769937A
Cited
US2724090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |