US2417604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater having means for diverting and igniting a fuel-air mixture
Assignee: Stewart Warner Corp
•
Filing: 1943-03-06
•
Granted: 1947-03-18
•
Expires: 1963-03-06
Abstract
No abstract record available.
Inventors
- 👤 Mccollum Thelma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1670819A
Cited
US1676501A
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US1724132A
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US2007822A
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US2254383A
Cited
US2177114A
Cited
US2247977A
Cited
US2286854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |