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US3210011A
Expired / Lapsed
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Device for pumping and dispensing liquid with air
Assignee: Walker Manufacturing Co
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Filing: 1963-10-28
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Granted: 1965-10-05
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 John M Barosko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:00
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/26; B05B7/28; B05B7/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A DEVICE FOR DISPENSING A LIQUID WITH PRESSURIZED AIR, THE COMBINATION WHICH INCLUDES, MEANS FOR COMBINING SAID LIQUID AND PRESSURIZED AIR, MEANS FOR SELECTIVELY METERING SAID PRESSURIZED AIR TO SAID COMBINING MEANS, PISTON MEANS FOR PUMPING SAID LIQUID TO SAID COMBINING MEANS FOR ADJUSTING SAID FLOW OF SAID LIQUID AND SAID PRESSURIZED AIR TO SAID COMBINING MEANS, AND MEANS FOR SELECTIVELY CONTROLLING THE FLOW OF SAID LIQUID AND SAID PRESSURIZED AIR TO SAID DISPENSING CHAMBER.
Claim 2
Dependent Claim
76 words
IN A DEVICE FOR DISPENSING A LIQUID WITH PRESSURIZED AIR, THE COMBINATION WHICH INCLUDES, MEANS FOR COMBINING SAID LIQUID AND PRESSURIZED AIR, MEANS FOR SELECTIVELY METERING SAID PRESSURIZED AIR TO SAID COMBINING MEANS, PISTON MEANS FOR PUMPING SAID LIQUID TO SAID COMBINING MEANS FOR ADJUSTING SAID FLOW OF SAID LIQUID AND SAID PRESSURIZED AIR TO SAID COMBINING MEANS, AND MEANS FOR SELECTIVELY CONTROLLING THE FLOW OF SAID LIQUID AND SAID PRESSURIZED AIR TO SAID DISPENSING CHAMBER.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |