US3185355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for liquid containers
Assignee: Valve Corp of America Inc
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Filing: 1963-06-04
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Granted: 1965-05-25
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Lipman Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:02
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3421; B05B1/3431; B05B1/3447; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1015; B05B11/1042; B05B11/1059; B05B11/106
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A DISPENSING PUMP AND CLOSURE CONSTRUCTION FOR MOUNTING ON THE NECK OF A LIQUID CONTAINER COMPRISING, IN COMBINATION: (A) A CYLINDER (B) A MANUALLY OPERABLE PLUNGER MOVABLE FROM AND TO A STORAGE POSITION, SAID PLUNGER INCLUDING A PISTON RECIPROCABLE IN THE CYLINDER, (C) SAID CYLINDER HAVING A DISCHARGE OUTLET, (D) MEANS CONNECTED WITH THE CYLINDER, PROVIDING AN AIR INLET CHANNEL FOR DIRECTLY ADMITTING AIR TO THE SPACE ABOVE THE LIQUID IN THE CONTAINER, AND (E) MEANS CONTROLLED BY SAID PLUNGER, FOR CLOSING SAID AIR INLET CHANNEL AND SIMULTANEOUSLY CLOSING SAID DISCHARGE OUTLET WHEN THE PLUNGER IS IN SAID STORAGE POSITION, THEREBY TO PREVENT LEAKAGE FROM THE CONTAINER THROUGH SAID PUMP AND CLOSURE CONSTRUCTION.
References Cited (Backward Citations)
US1039933A
Cited
US1982497A
Cited
US2301051A
Cited
US2568057A
Cited
US2846124A
Cited
US2956509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |