Patent US5906613A successfully refreshed from Google Patents.
US2844450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuels containing deposit-control additives
Assignee: Texaco Inc
•
Filing: 1956-01-18
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Granted: 1958-07-22
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Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Robert Y Heisler
- 👤 Stanley R Newman
- 👤 Kenneth L Dille
- 👤 Alpert Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:00
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1985
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A NORMALLY LIQUID HYDROCARBON FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING A CARBONIC ACID DIESTER OF AN ALIPHATILC ALCOHOL AND OF A POLYGLYCOL MONOETHER OF THE FOLLOWING GENERAL FORMULA
Claim 2
Dependent Claim
28 words
A NORMALLY LIQUID HYDROCARBON FUEL FOR INTERNAL COMBUSTION ENGINES CONTAINING A CARBONIC ACID DIESTER OF AN ALIPHATILC ALCOHOL AND OF A POLYGLYCOL MONOETHER OF THE FOLLOWING GENERAL FORMULA
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |