Patent US2920690A successfully refreshed from Google Patents.
US2920690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-regulated fuel supply system
Assignee: Tokheim Corp
•
Filing: 1954-10-06
•
Granted: 1960-01-12
•
Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 George W Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:02
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02M37/14; F02M37/08; F02M37/10; F02M37/18; F02M37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1348916A
Cited
US1490267A
Cited
US1888250A
Cited
US2139370A
Cited
US2293884A
Cited
US2357174A
Cited
US2422956A
Cited
US2427307A
Cited
US2633146A
Cited
US2601439A
Cited
US2647345A
Cited
US2737167A
Cited
FR1085114A
Cited
US2763214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |