US2485496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical igniter
Assignee: Stewart Warner Corp
•
Filing: 1944-06-19
•
Granted: 1949-10-18
•
Expires: 1964-06-19
Abstract
No abstract record available.
Inventors
- 👤 Theodore Y Korsgren
- 👤 Vernon N Tramontini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:58
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/22; F23Q7/06; F23Q7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR489225A
Cited
US1533230A
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US1609688A
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GB263250A
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US2031985A
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GB472814A
Cited
US2199879A
Cited
US2192732A
Cited
US2298315A
Cited
US2297780A
Cited
US2379530A
Cited
US2383823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |