US3511958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic oven including microwave coupling structure and folded cavity filters therefor
Assignee: General Electric Co
•
Filing: 1968-12-31
•
Granted: 1970-05-12
•
Expires: 1988-12-31
Abstract
No abstract record available.
Inventors
- 👤 James E Staats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:50
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/647; H05B6/6482; H01; H01P; H01P1/00; H01P1/16; H05B6/6402; H05B6/6408; H05B6/6411; H05B6/642; H05B6/70; H05B6/705; Y; Y02; Y02B; Y02B40/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2700136A
Cited
US2851666A
Cited
US2877433A
Cited
US3187277A
Cited
US3411114A
Cited
US3439144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |