US2658987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electric and gas operated range or stove
Assignee: Individual
•
Filing: 1949-04-20
•
Granted: 1953-11-10
•
Expires: 1969-04-20
Abstract
No abstract record available.
Inventors
- 👤 Wilbert H Ogden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:08
CPC Classifications
F; F24; F24C; F24C1/00; F24C1/02; F24C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919843A
Cited
GB200394A
Cited
US1652292A
Cited
US1716329A
Cited
FR774427A
Cited
US2269349A
Cited
US2413478A
Cited
US2384262A
Cited
US2525062A
Cited
US2506554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |