US3101101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and mechanism for dispensing fluids
Assignee: Curtiss Wright Corp
•
Filing: 1961-07-31
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Granted: 1963-08-20
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Walter S Gearhart
- 👤 James W Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:40
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A LIQUID DISPENSING NOZZLE UNIT COMPRISING A BODY FORMED WITH AN INLET PASSAGE AND AN OUTLET PASSAGE, SAID PASSAGES INTERCOMMUNICATING VIA A VALVE CHAMBER, A SELF CLOSING VALVE MOVABLE IN THE VALVE CHAMBER BETWEEN A CLOSED POSITION AND AT LEAST TWO OPEN POSITIONS, A MANUALLY OPERABLE CONTROL LEVER PIVOTALLY CONNECTED TO THE VALVE, AND TWO FULCRUM MEMBERS FOR THE LEVER, ONE OF THE FULCRUM MEMBERS BEING MOVABLE INTO AND OUT OF A POSITION ENABLING IT TO CONTACT WITH AND ESTABLISH A PIVOTAL SUPPORT FOR THE LEVER, SPRING MEANS CONNECTED TO SAID ONE FULCRUM MEMBER FOR BIASING IT INTO FULCRUM-ESTABLISHING POSITION, MEANS CONNECTED TO SAID ONE FULCRUM MEMBER AND OPERATING THEREON AS A FUNCTION OF ADMISSION OF LIQUID UNDER A PREDETERMINED PRESSURE TO THE INLET PASSAGE TO MOVE IT OUT OF SAID POSITION AND RENDER THE LEVER INOPERABLE TO OPEN THE VALVE, THE OTHER FULCRUM MEMBER BEING ARRANGED TO ENABLE ONLY A PREDETERMINED LIMITED MAXIMUM OPENING MOVEMENT OF THE VALVE.
Claim 2
Dependent Claim
159 words
A LIQUID DISPENSING NOZZLE UNIT COMPRISING A BODY FORMED WITH AN INLET PASSAGE AND AN OUTLET PASSAGE, SAID PASSAGES INTERCOMMUNICATING VIA A VALVE CHAMBER, A SELF CLOSING VALVE MOVABLE IN THE VALVE CHAMBER BETWEEN A CLOSED POSITION AND AT LEAST TWO OPEN POSITIONS, A MANUALLY OPERABLE CONTROL LEVER PIVOTALLY CONNECTED TO THE VALVE, AND TWO FULCRUM MEMBERS FOR THE LEVER, ONE OF THE FULCRUM MEMBERS BEING MOVABLE INTO AND OUT OF A POSITION ENABLING IT TO CONTACT WITH AND ESTABLISH A PIVOTAL SUPPORT FOR THE LEVER, SPRING MEANS CONNECTED TO SAID ONE FULCRUM MEMBER FOR BIASING IT INTO FULCRUM-ESTABLISHING POSITION, MEANS CONNECTED TO SAID ONE FULCRUM MEMBER AND OPERATING THEREON AS A FUNCTION OF ADMISSION OF LIQUID UNDER A PREDETERMINED PRESSURE TO THE INLET PASSAGE TO MOVE IT OUT OF SAID POSITION AND RENDER THE LEVER INOPERABLE TO OPEN THE VALVE, THE OTHER FULCRUM MEMBER BEING ARRANGED TO ENABLE ONLY A PREDETERMINED LIMITED MAXIMUM OPENING MOVEMENT OF THE VALVE.
References Cited (Backward Citations)
US2884964A
Cited
US3025893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |