US3190504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing metered quantities of lubricating oil with gasoline
Assignee: Gilbarco Australia Ltd
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Filing: 1963-12-18
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Granted: 1965-06-22
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Laver Staniey Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/743; B67D7/744; B67D2007/745; B67D2007/746
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
IN APPARATUS FOR MIXING METERED QUANTITIES OF OIL WITH GASOLINE FROM A GASOLINE DISPENSER INCLUDING A PUMP DRIVEN BY AN ELECTRIC MOTOR, AND AN ELECTRIC SUPPLY CIRCUIT FOR SAID MOTOR, THE COMBINATION OF A SOURCE OF OIL UNDER PRESSURE, A GASOLINE METER, MEANS COUPLED TO THE GASOLINE METER FOR GENERATING IMPULSES AS GASOLINE IS DELIVERED, A GASOLINE DELIVERY NOZZLE, A BLENDING NOZZLE DETACHABLY CONNECTED TO THE GASOLINE DELIVERY NOZZLE, SAID BLENDING NOZZLE HAVING A MIXING CHAMBER FOR GASOLINE AND OIL, MEANS FOR DELIVERING OIL FROM THE SAID SOURCE TO THE MIXING CHAMBER IN RESPONSE TO SAID IMPULSES, AN ELECTRIC SWITCH CONNECTED IN SAID MOTOR CIRCUIT, A HOUSING FOR SAID BLENDING NOZZLE, MEANS OPERATED BY SAID BLENDING NOZZLE WITH THE LATTER RECEIVED BY SAID HOUSING TO CLOSE THE SAID ELECTRIC SWITCH, AND MEANS FOR METERING THE AMOUNT OF OIL DELIVERED FOR EACH INPULSE.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |