US3002825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil additive for preventing wear in diesel engines and gas turbines
Assignee: Individual
•
Filing: 1954-09-14
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Granted: 1961-10-03
•
Expires: 1974-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert S Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L10/04; C10L1/12; C10L1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A FUEL-OIL ADDITIVE CONSISTING ESSENTIALLY OF A WATERIN-OIL EMULSION, INCLUDING A BASIC CALCIUM SULFONATE AS AN EMULSIFYING AGENT, THE WATER PHASE OF THE EMULSION BEING ABOUT A 25% AQUEOUS SOLUTION OF A WATER-SOLUBLE SALT OF A METAL SELECTED FROM THE CLASS CONSISTING OF CALCIUM, BARIUM, AND MAGNESIUM, THE OIL PHASE BEING A LIGHT NAPHTHENIC NEUTRAL OIL PRESENT IN THE AMOUNT OF ABOUT 60% BY VOLUME OF THE TOTAL EMULSION AND THE WATER PHASE BEING PRESENT IN THE AMOUNT OF ABOUT 40% OF THE TOTAL EMULSION.
Claim 2
Dependent Claim
85 words
A FUEL-OIL ADDITIVE CONSISTING ESSENTIALLY OF A WATERIN-OIL EMULSION, INCLUDING A BASIC CALCIUM SULFONATE AS AN EMULSIFYING AGENT, THE WATER PHASE OF THE EMULSION BEING ABOUT A 25% AQUEOUS SOLUTION OF A WATER-SOLUBLE SALT OF A METAL SELECTED FROM THE CLASS CONSISTING OF CALCIUM, BARIUM, AND MAGNESIUM, THE OIL PHASE BEING A LIGHT NAPHTHENIC NEUTRAL OIL PRESENT IN THE AMOUNT OF ABOUT 60% BY VOLUME OF THE TOTAL EMULSION AND THE WATER PHASE BEING PRESENT IN THE AMOUNT OF ABOUT 40% OF THE TOTAL EMULSION.
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |