Patent US3174470A successfully refreshed from Google Patents.
US3174470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excess air cycle engine and fuel supply means
Assignee: Individual
•
Filing: 1963-06-14
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Granted: 1965-03-23
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Seggern Ernest A Von
- 👤 Seggern Henry E Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:27
CPC Classifications
F; F02; F02M; F02M71/00; F02M1/00; F02M69/00; F02M69/04; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392; Y; Y10; Y10S; Y10S261/00; Y10S261/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A PISTON AND CYLINDER AND FUEL SUPPLY MEANS, THE COMBINATION OF: A COMBUSTION CHAMBER IN COMMUNICATION WITH SAID CYLINDER, AN IGNITION CHAMBR IN COMMUNICATION WITH SAID COMBUSTION CHAMBER, AN INTAKE VALVE IN COMMUNICATION WITH SAID COMBUSTION CHAMBER AND POSITIONED ADJACENT SAID IGNITION CHAMBER, AN INTAKE MANIFOLD IN CONJUNCTION WITH SAID INTAKE VALVE, A LIQUID FUEL INJECTOR IN SAID INTAKE MANIFOLD ADJACENT SAID INTAKE VALVE AND ADAPTED TO DELIVER LIQUID FUEL TO SAID IGNITION CHAMBER THROUGH SAID INTAKE VALVE WHEN SAID VALVE IS OPEN, AND ACTUATING MEANS LINKING SAID INJECTOR AND SAID INTAKE VALVE WHEREBY THE OPENING MOVEMENT OF SAID VALVE ACTS TO OPEN SAID INJECTOR AND ALLOW FUEL TO FLOW FROM SAID INJECTOR ONLY WHILE SAID INTAKE VALVE IS OPEN.
Claim 2
Dependent Claim
126 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A PISTON AND CYLINDER AND FUEL SUPPLY MEANS, THE COMBINATION OF: A COMBUSTION CHAMBER IN COMMUNICATION WITH SAID CYLINDER, AN IGNITION CHAMBR IN COMMUNICATION WITH SAID COMBUSTION CHAMBER, AN INTAKE VALVE IN COMMUNICATION WITH SAID COMBUSTION CHAMBER AND POSITIONED ADJACENT SAID IGNITION CHAMBER, AN INTAKE MANIFOLD IN CONJUNCTION WITH SAID INTAKE VALVE, A LIQUID FUEL INJECTOR IN SAID INTAKE MANIFOLD ADJACENT SAID INTAKE VALVE AND ADAPTED TO DELIVER LIQUID FUEL TO SAID IGNITION CHAMBER THROUGH SAID INTAKE VALVE WHEN SAID VALVE IS OPEN, AND ACTUATING MEANS LINKING SAID INJECTOR AND SAID INTAKE VALVE WHEREBY THE OPENING MOVEMENT OF SAID VALVE ACTS TO OPEN SAID INJECTOR AND ALLOW FUEL TO FLOW FROM SAID INJECTOR ONLY WHILE SAID INTAKE VALVE IS OPEN.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |