US3122279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric liquid dispenser
Assignee: General Research Corp
•
Filing: 1959-10-05
•
Granted: 1964-02-25
•
Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Forrest H Crum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/28; G01F11/30; G01F11/32; B; B67; B67D; B67D3/00; B67D3/0003; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A LIQUID DISPENSING DEVICE COMPRISING IN COMBINATION A SUPPORT HOUSING HAVING AN INTERIOR CHAMBER, SAID CHAMBER HAVING A RESERVOIR SECTION, A PASSAGEWAY, AND A DISCHARGE SECTION, A SOLENOID CONTROLLED PISTON SLIDABLE ALONG SAID PASSAGEWAY, SAID PISTON HAVING A HEAD OF TWO SPACED APART SPOOLS WHICH DEFINE A COMPARTMENT WITH THE INTERIOR SIDES OF SAID PASSAGEWAY, SAID HEAD BEING SLIDABLE INTO THE RESERVOIR TO OPEN SAID COMPARTMENT INTO COMMUNICATION WITH THE LIQUID OF SAID RESERVOIR AT ONE END OF THE TRAVEL OF SAID PISTON AND SLIDABLE INTO COMMUNICATION WITH SAID DISCHARGE SECTION AT THE OTHER END OF SAID TRAVEL TO DISCHARGE THE LIQUID, AND A KNOB ON THE OUTSIDE OF SAID HOUSING HAVING A PORTION SLIDABLY EXTENDING INTO SAID COMPARTMENT, WHEREBY THE COMPARTMENT CAPACITY MAY BE VARIED BY ADJUSTING THE SIZE OF SAID PORTION EXTENDING WITHIN SAID COMPARTMENT.
Claim 2
Dependent Claim
137 words
A LIQUID DISPENSING DEVICE COMPRISING IN COMBINATION A SUPPORT HOUSING HAVING AN INTERIOR CHAMBER, SAID CHAMBER HAVING A RESERVOIR SECTION, A PASSAGEWAY, AND A DISCHARGE SECTION, A SOLENOID CONTROLLED PISTON SLIDABLE ALONG SAID PASSAGEWAY, SAID PISTON HAVING A HEAD OF TWO SPACED APART SPOOLS WHICH DEFINE A COMPARTMENT WITH THE INTERIOR SIDES OF SAID PASSAGEWAY, SAID HEAD BEING SLIDABLE INTO THE RESERVOIR TO OPEN SAID COMPARTMENT INTO COMMUNICATION WITH THE LIQUID OF SAID RESERVOIR AT ONE END OF THE TRAVEL OF SAID PISTON AND SLIDABLE INTO COMMUNICATION WITH SAID DISCHARGE SECTION AT THE OTHER END OF SAID TRAVEL TO DISCHARGE THE LIQUID, AND A KNOB ON THE OUTSIDE OF SAID HOUSING HAVING A PORTION SLIDABLY EXTENDING INTO SAID COMPARTMENT, WHEREBY THE COMPARTMENT CAPACITY MAY BE VARIED BY ADJUSTING THE SIZE OF SAID PORTION EXTENDING WITHIN SAID COMPARTMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |