US3500759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel priming pump
Assignee: Caterpillar Inc
•
Filing: 1968-06-13
•
Granted: 1970-03-17
•
Expires: 1988-06-13
Abstract
No abstract record available.
Inventors
- 👤 Millard D Potter
- 👤 John H Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:56
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; F02; F02M; F02M1/00; F02M1/16; F04B5/00; F04B5/02; F04B53/00; F04B53/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US411810A
Cited
US586736A
Cited
GB283004A
Cited
US2174805A
Cited
GB575916A
Cited
US3142258A
Cited
GB1003400A
Cited
US3185042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |