US3459162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel mixer heaters for internal combustion engines
Assignee: RAYMOND D ELMORE
•
Filing: 1967-06-02
•
Granted: 1969-08-05
•
Expires: 1987-06-02
Abstract
No abstract record available.
Inventors
- 👤 Vincent H Burwinkle
- 👤 Raymond D Elmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:48
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/08; F02M31/0815; F02M1/00; F02M29/00; F02M29/04; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1382285A
Cited
GB192311A
Cited
US1568642A
Cited
FR819509A
Cited
US2257047A
Cited
US2300774A
Cited
US2362163A
Cited
US2925257A
Cited
US3088447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |