Add-on oil-fuel metering device
Abstract
Abstract THIS APPLICATION RELATES TO AN ACCESSORY FOR A GASOLINE TANK, FOR A TWO STROKE CYCLE ENGINE OF A TYPE WHICH USES A MIXTURE OF GASOLINE AND OIL. THE ACCESSORY IS A FLEXIBLE CHAMBER INSERTED THROUGH THE FILLER NECK OF THE TANK. THE RATIO OF THE AREAS OF THE CHAMBER AND THE TANK IN A HORIZONTAL PLANE IS EQUAL TO (OR A WHOLE NUMBER QUOTIENT OF) THE PROPORTION OF OIL TO GASOLINE REQUIRED BY THE ENGINE. THE CHAMBER IS FLEXIBLE ENOUGH TO PERMIT IT TO BE FOLDED AND INSERTED INTO THE FILLER NECK OF THE CAN DESPITE THE FACT THAT THE CONVENTIONAL FILLER NECK HAS A MUCH SMALLER AREA THAN THE REQUIRED AREA OF THE CHAMBER FOR PROPER METERING. THE CHAMBER ALSO HAS A SIMPLIFIED STRUCTURE AND A VERTICALLY OPERATING VALVE INSERTABLE THROUGH THE NECK WHICH UTILIZES THE FLANGE OF THE FILLER NECK AS A STOP AND WHICH ASSISTS IN SUPPORTING THE CHAMBER. THE CHAMBER IS DESIRABLY MADE OF NEOPRENE OR A SIMILAR FLEXIBLE SUBSTANCE IMPERVIOUS TO GASOLINE AND OIL.
Inventors
- 👤 F Ajero
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |