US2487753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel igniter
Assignee: Baker and Co Inc
•
Filing: 1947-12-19
•
Granted: 1949-11-08
•
Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 Cohn Johann Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:51
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/10; F24C3/106; F23; F23Q; F23Q11/00; F23Q11/06; F23Q7/00; F23Q7/06; F24C3/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR339169A
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US1118943A
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US1590891A
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US1895032A
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US1981299A
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US2360608A
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US2419972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |