US2870835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric ignition system for the oven or broiler burner on a gas stove
Assignee: Geo D Roper Corp
•
Filing: 1952-09-06
•
Granted: 1959-01-27
•
Expires: 1972-09-06
Abstract
No abstract record available.
Inventors
- 👤 John L Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:03
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/10; F23; F23Q; F23Q9/00; F23Q9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855551A
Cited
US2305243A
Cited
US2269157A
Cited
US2362247A
Cited
US2625216A
Cited
US2649904A
Cited
US2564869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |