US3242942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilators
Assignee: Individual
•
Filing: 1963-03-20
•
Granted: 1966-03-29
•
Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Herman C Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/023; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7752; Y10T137/7781; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A CRANKCASE VENTILATOR COMPRISING (A) AN ELONGATED BODY PORTION HAVING (1) A LONGITUDINALLY EXTENDING PASSAGEWAY THEREIN FOR DIRECTING GASES FROM THE CRANKCASE OF AN INTERNAL COMBUSTION ENGINE TO THE INTAKE MANIFOLD OF THE SAID ENGINE, (B) TWO VALVE SEATS (1) DISPOSED IN FACING RELATION TO EACH OTHER (2) IN ENCIRCLING RELATION TO RESPECTIVE AXIALLY SPACED PORTIONS OF SAID PASSAGEWAY, (C) A VALVE MEMBER (1) RECIPROCABLE AXIALLY OF SAID PASSAGEWAY BETWEEN SAID TWO VALVE SEATS, (D) SAID VALVE MEMBER HAVING (1) ONE END PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID VALVE SEATS TO CLOSE SAID PASSAGEWAY THEREAT, AND (2) A TAPERED OTHER END PORTION MOVABLE INTO AND AGAINST THE OTHER OF SAID VALVE SEATS FOR PROGRESSIVELY CLOSING SAID PASSAGEWAY AT SAID OTHER VALVE SEAT DURING MOVEMENT OF SAID VALVE MEMBER TOWARD SAID OTHER VALVE SEAT, AND (E) MEANS MOVING SAID VALVE MEMBER BETWEEN SAID SEATS IN ACCORDANCE WITH PRESSURE VARIATIONS IN SUCH A MANIFOLD, SAID MEANS INCLUDING (1) A RESILIENT BELLOWS HAVING A CHAMBER THEREIN IN COMMUNICATION WITH SAID PASSAGEWAY AND
Claim 2
Dependent Claim
171 words
A CRANKCASE VENTILATOR COMPRISING (A) AN ELONGATED BODY PORTION HAVING (1) A LONGITUDINALLY EXTENDING PASSAGEWAY THEREIN FOR DIRECTING GASES FROM THE CRANKCASE OF AN INTERNAL COMBUSTION ENGINE TO THE INTAKE MANIFOLD OF THE SAID ENGINE, (B) TWO VALVE SEATS (1) DISPOSED IN FACING RELATION TO EACH OTHER (2) IN ENCIRCLING RELATION TO RESPECTIVE AXIALLY SPACED PORTIONS OF SAID PASSAGEWAY, (C) A VALVE MEMBER (1) RECIPROCABLE AXIALLY OF SAID PASSAGEWAY BETWEEN SAID TWO VALVE SEATS, (D) SAID VALVE MEMBER HAVING (1) ONE END PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID VALVE SEATS TO CLOSE SAID PASSAGEWAY THEREAT, AND (2) A TAPERED OTHER END PORTION MOVABLE INTO AND AGAINST THE OTHER OF SAID VALVE SEATS FOR PROGRESSIVELY CLOSING SAID PASSAGEWAY AT SAID OTHER VALVE SEAT DURING MOVEMENT OF SAID VALVE MEMBER TOWARD SAID OTHER VALVE SEAT, AND (E) MEANS MOVING SAID VALVE MEMBER BETWEEN SAID SEATS IN ACCORDANCE WITH PRESSURE VARIATIONS IN SUCH A MANIFOLD, SAID MEANS INCLUDING (1) A RESILIENT BELLOWS HAVING A CHAMBER THEREIN IN COMMUNICATION WITH SAID PASSAGEWAY AND
References Cited (Backward Citations)
US1543264A
Cited
US2592380A
Cited
US2716398A
Cited
US2906252A
Cited
US3051151A
Cited
US3105477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |