US3477238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric antipercolator device for the fuel system of an internal combustion engine
Assignee: Motorola Solutions Inc
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Filing: 1967-12-13
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Granted: 1969-11-11
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Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Richard T Race
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/20; F02M1/00; F02M1/08; F02M1/10; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4359; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |