US3094247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-selection multi-reservoir liquid dispenser
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1960-10-10
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Granted: 1963-06-18
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Vito V Marchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:54
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/022; A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; G; G01; G01F; G01F11/00; G01F11/02; G01F11/08; D06F34/00; D06F34/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A COMBINATION COMPRISING AT LEAST ONE CLOSED LIQUID RESERVOIR; A DISCHARGE CONDUIT LEADING FROM THE LIQUID CONTENTS OF SAID RESERVOIR; A CONTAINED GAS IN CONTACT WITH SAID LIQUID CONTACTS; AND PUMP MEANS TO DISPLACE SAID CONTAINED GAS TO IN TURN DISPLACE SAID LIQUID CONTENTS TO DISPENSE A PORTION THEREOF OUT OF THE DISCHARGE CONDUIT; SAID PUMP MEANS COMPRISING AN EXPANSIBLE GAS CHAMBER IN CONTACT WITH THE CONTAINED GAS; MEANS TO THERMALLY EXPAND THE GAS IN SAID CHAMBER TO CAUSE CHAMBER EXPANSION WITH RESULTANT DISPLACEMENT OF THE CONTAINED GAS; ELECTRICAL SWITCH MEANS IN OPERATIVE RELATIONSHIP WITH SAID CHAMBER FOR ACTUATION RESPONSIVE TO CHAMBER EXPANSION; AND VALVE MEANS ASSOCIATED WITH SAID CLOSED LIQUID RESERVOIR; SAID VALVE MEANS BEING CONTROLLED BY THE ELECTRICAL SWITHC MEANS TO SELECTIVELY VENT THE CONTAINED GAS TO PERMIT METERING THE AMOUNT OF LIQUID CONTENTS DISPENSED.
Claim 2
Dependent Claim
137 words
A COMBINATION COMPRISING AT LEAST ONE CLOSED LIQUID RESERVOIR; A DISCHARGE CONDUIT LEADING FROM THE LIQUID CONTENTS OF SAID RESERVOIR; A CONTAINED GAS IN CONTACT WITH SAID LIQUID CONTACTS; AND PUMP MEANS TO DISPLACE SAID CONTAINED GAS TO IN TURN DISPLACE SAID LIQUID CONTENTS TO DISPENSE A PORTION THEREOF OUT OF THE DISCHARGE CONDUIT; SAID PUMP MEANS COMPRISING AN EXPANSIBLE GAS CHAMBER IN CONTACT WITH THE CONTAINED GAS; MEANS TO THERMALLY EXPAND THE GAS IN SAID CHAMBER TO CAUSE CHAMBER EXPANSION WITH RESULTANT DISPLACEMENT OF THE CONTAINED GAS; ELECTRICAL SWITCH MEANS IN OPERATIVE RELATIONSHIP WITH SAID CHAMBER FOR ACTUATION RESPONSIVE TO CHAMBER EXPANSION; AND VALVE MEANS ASSOCIATED WITH SAID CLOSED LIQUID RESERVOIR; SAID VALVE MEANS BEING CONTROLLED BY THE ELECTRICAL SWITHC MEANS TO SELECTIVELY VENT THE CONTAINED GAS TO PERMIT METERING THE AMOUNT OF LIQUID CONTENTS DISPENSED.
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |