US3022425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual fuel control systems for engines burning diesel-type fuels
Assignee: Midland Ross Corp
•
Filing: 1956-07-11
•
Granted: 1962-02-20
•
Expires: 1976-07-11
Abstract
No abstract record available.
Inventors
- 👤 Joel B Rockstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:23
CPC Classifications
F; F02; F02D; F02D19/00; F02D19/06; F02D19/0602; F02D19/0613; F02D19/0615; F02D19/0626; F02D19/0634; F02D19/0639; F02D19/0649; F02D19/0657; F02D19/0663; F02D19/0673; F02D19/0676; F02M; F02M31/00; F02M31/02; F02M31/16; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB191110340A
Cited
US1105016A
Cited
US1334491A
Cited
US1776871A
Cited
US1819474A
Cited
US1881200A
Cited
DE627261C
Cited
US2059334A
Cited
US2163241A
Cited
US2231764A
Cited
US2129930A
Cited
US2681694A
Cited
US2768496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |