US3208739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge forming apparatus
Assignee: Tillotson Manufacturing Co
•
Filing: 1962-05-17
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Granted: 1965-09-28
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/44; F02M17/48; F02M17/02; F02M17/06; Y; Y10; Y10S; Y10S261/00; Y10S261/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A CHARGE FORMING APPARATUS FOR DELIVERING A FUEL AND AIR MIXTURE TO AN INTERNAL COMBUSION ENGINE INCLUDING (A) A FUEL TANK (B) A FUEL MIXING PASSAGE (C) PRIMARY AND SECONDARY ORIFICES IN SAID MIXING PASSAGE (B) A PASSAGEWAY INCLUDING A PRIMARY FUEL DELIVERY PORT AND SECONDARY FUEL DELIVERY PORT (E) DUCT MEANS FOR CONNECTING SAD PRIMARY ORIFICE WITH SAID PRIMARY FUEL DELIVERY PORT AND SAID SECONDARY ORIFICE WITH SAID SECONDARY FUEL DELIVERY PORT (F) A FUEL FEED LINE CONNECTED TO SAID FUEL TANK (G) A FUEL RETURN LINE CONNECTED TO SAID FUEL TANK (H) A CHAMBER SPACED ABOVE SAID PASSAGEWAY AND SAID SECONDARY FUEL DELIVERY PORT AND INCLUDING VENTING MEANS (I) SAID PASSAGEWAY CONNECTED TO SAID FUEL CHAMBER (J) A FUEL PUMP FOR PUMPING FUEL FROM SAID TANK TO SAID FUEL FEED LINE, AND THENCE TO SAID CHAMBER, SAID
Claim 2
Dependent Claim
139 words
A CHARGE FORMING APPARATUS FOR DELIVERING A FUEL AND AIR MIXTURE TO AN INTERNAL COMBUSION ENGINE INCLUDING (A) A FUEL TANK (B) A FUEL MIXING PASSAGE (C) PRIMARY AND SECONDARY ORIFICES IN SAID MIXING PASSAGE (B) A PASSAGEWAY INCLUDING A PRIMARY FUEL DELIVERY PORT AND SECONDARY FUEL DELIVERY PORT (E) DUCT MEANS FOR CONNECTING SAD PRIMARY ORIFICE WITH SAID PRIMARY FUEL DELIVERY PORT AND SAID SECONDARY ORIFICE WITH SAID SECONDARY FUEL DELIVERY PORT (F) A FUEL FEED LINE CONNECTED TO SAID FUEL TANK (G) A FUEL RETURN LINE CONNECTED TO SAID FUEL TANK (H) A CHAMBER SPACED ABOVE SAID PASSAGEWAY AND SAID SECONDARY FUEL DELIVERY PORT AND INCLUDING VENTING MEANS (I) SAID PASSAGEWAY CONNECTED TO SAID FUEL CHAMBER (J) A FUEL PUMP FOR PUMPING FUEL FROM SAID TANK TO SAID FUEL FEED LINE, AND THENCE TO SAID CHAMBER, SAID
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |