US2737169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine heater
Assignee: WAYNE H KIMBERLIN
•
Filing: 1951-08-03
•
Granted: 1956-03-06
•
Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
- 👤 Carna M Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:52
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1300600A
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US742629A
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US1258068A
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US1613615A
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US1716715A
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US1828978A
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US1725510A
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US1775458A
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US2125966A
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US2180663A
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US2420981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |