US3234925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine vapor recycle system
Assignee: Individual
•
Filing: 1964-03-23
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Granted: 1966-02-15
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 David D Cahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:40
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/04; F01M2013/0438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A SYSTEM FOR CONTROL OF VAPORS FROM AN INTERNAL COMBUSTION ENGINE WHICH IS SEALED EXCEPT FOR AN OIL FILL PORT, THE COMBINATION WHICH COMPRISES: (A) A SEALING CAP FOR SAID PORT FORMING A CLOSED CHAMBER COMMUNICATING WITH SAID PORT, (B) A PIERCED BAFFLE DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, (C) A CARBURETOR AIR SUPPLY LINE LEADING FROM ONE OF SAID COMPARTMENTS, AND (D) AN INTAKE MANIFOLD LINE HAVING A RESTRICTED ORIFICE THEREIN LEADING FROM THE OTHER OF SAID COMPARTMENTS.
Claim 2
Dependent Claim
80 words
IN A SYSTEM FOR CONTROL OF VAPORS FROM AN INTERNAL COMBUSTION ENGINE WHICH IS SEALED EXCEPT FOR AN OIL FILL PORT, THE COMBINATION WHICH COMPRISES: (A) A SEALING CAP FOR SAID PORT FORMING A CLOSED CHAMBER COMMUNICATING WITH SAID PORT, (B) A PIERCED BAFFLE DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, (C) A CARBURETOR AIR SUPPLY LINE LEADING FROM ONE OF SAID COMPARTMENTS, AND (D) AN INTAKE MANIFOLD LINE HAVING A RESTRICTED ORIFICE THEREIN LEADING FROM THE OTHER OF SAID COMPARTMENTS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |