Patent US3476315A successfully refreshed from Google Patents.
US3476315A
Expired / Lapsed
US
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Control system for double-burner single-cavity oven
Assignee: TDK Micronas GmbH
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Filing: 1967-11-15
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Granted: 1969-11-04
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Expires: 1987-11-15
Abstract
No abstract record available.
Inventors
- 👤 Laurence C Biggle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:55
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/10; F16K5/103; F16K5/106; F24; F24C; F24C3/00; F24C3/12; F24C3/126; F24C3/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3236448A
Cited
US3386656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |