Patent USRE21784E successfully refreshed from Google Patents.
Patent US2756709A successfully refreshed from Google Patents.
US2756709A
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US
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Jig for vane-type magnetrons
Assignee: Individual
•
Filing: 1946-04-02
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Granted: 1956-07-31
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Expires: 1966-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Lew G Coonrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:25
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/165; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/532; Y10T29/53204; Y10T29/53265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2257643A
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US2306291A
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US2247077A
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US2310841A
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US2387722A
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US2408238A
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US2433339A
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US2445766A
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US2447491A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |