US3203445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination vent cap and valve for automobile radiators
Assignee: Dole Valve Co
•
Filing: 1963-09-12
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Granted: 1965-08-31
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Maurice D Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:08
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/02; F01P11/0204; F01P11/0209; F01P11/0247; F01P11/0238; F01P2011/0252; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7774; Y10T137/7775; Y10T137/7837; Y10T137/7876; Y10T137/7877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A VENT CAP COMPRISING A COVER PLATE HAVING A STUD PROJECTING OUTWARDLY THEREFROM, A BONNET MOUNTED ON SAID STUD FOR AXIAL SLIDING MOVEMENT RELATIVE THERETO HAVING AN END FACE EXTENDING ACROSS THE PROJECTING END OF SAID STUD, A PORT FORMED WITHIN SAID END FACE, A VALVE MEMBER POSITIONED SO AS TO COVER AND UNCOVER SAID PORT TO CONTROL THE FLOW OF FLUID THERETHROUGH, A PLUNGER SLIDABLY MOUNTED FOR AXIAL MOVEMENT WITHIN SAID STUD AND MOVABLE TO SAID FIRST POSITION TO ENGAGE SAID VALVE MEMBER TO MOVE SAID VALVE MEMBER TO A PORT OPEN POSITION, LOCKING MEANS ENGAGEABLE WITH SAID PLUNGER TO HOLD SAID PLUNGER IN SAID FIRST POSITION,
Claim 2
Dependent Claim
108 words
A VENT CAP COMPRISING A COVER PLATE HAVING A STUD PROJECTING OUTWARDLY THEREFROM, A BONNET MOUNTED ON SAID STUD FOR AXIAL SLIDING MOVEMENT RELATIVE THERETO HAVING AN END FACE EXTENDING ACROSS THE PROJECTING END OF SAID STUD, A PORT FORMED WITHIN SAID END FACE, A VALVE MEMBER POSITIONED SO AS TO COVER AND UNCOVER SAID PORT TO CONTROL THE FLOW OF FLUID THERETHROUGH, A PLUNGER SLIDABLY MOUNTED FOR AXIAL MOVEMENT WITHIN SAID STUD AND MOVABLE TO SAID FIRST POSITION TO ENGAGE SAID VALVE MEMBER TO MOVE SAID VALVE MEMBER TO A PORT OPEN POSITION, LOCKING MEANS ENGAGEABLE WITH SAID PLUNGER TO HOLD SAID PLUNGER IN SAID FIRST POSITION,
References Cited (Backward Citations)
US2591562A
Cited
US3098636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |