Patent US3131707A successfully refreshed from Google Patents.
US3131707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioning medicator for waterers
Assignee: Individual
•
Filing: 1957-08-26
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Granted: 1964-05-05
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Cordis Nat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/028; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
PROPORTIONING APPARATUS COMPRISING A PRESSURE OPERATED HYDRAULIC MOTOR, SAID MOTOR INCLUDING A CONNECTING ROD, CONDUIT MEANS FOR DELIVERING A FIRST LIQUID UNDER PRESSURE TO SAID MOTOR, CONTROL VALVE MEANS GATING SAID LIQUID TO SAID MOTOR, SECOND CONDUIT MEANS FOR DISCHARGING LIQUID FROM SAID MOTOR, RECIPROCATING PISTON PUMP MEANS DRIVEN BY SAID MOTOR, FIRST CHECK VALVE MEANS METERING FLOW OF A SECOND LIQUID INTO SAID PUMP MEANS, SECOND CHECK VALVE MEANS CONTROLLING FLOW FROM SAID PUMP MEANS, TAPPET MEANS RECIPROCATED BY SAID MOTOR MEANS, SAID TAPPET MEANS ACTUATING SAID CONTROL VALVE MEANS, SAID TAPPET MEANS ALTERNATELY PROJECTING SAID CONTROL VALVE MEANS INTO ALTERNATE POSITIONS, MIXING CHAMBER MEANS INTO WHICH SAID SECOND CONDUIT MEANS AND SAID SECOND CHECK VALVE MEANS DISCHARGE, DELIVERY MEANS FOR WITHDRAWING THE MIXED FIRST AND SECOND LIQUIDS FROM SAID MIXING CHAMBER MEANS, AND THE RECIPROCATING PUMP MEANS COMPRISES A PUMPING CYLINDER ARRANGED AXIALLY WITHIN SAID MIXING CHAMBER AND WITHIN WHICH AN EXTENSION OF SAID CONNECTING ROD COMPRISES THE PUMPING PISTON.
Claim 2
Dependent Claim
162 words
PROPORTIONING APPARATUS COMPRISING A PRESSURE OPERATED HYDRAULIC MOTOR, SAID MOTOR INCLUDING A CONNECTING ROD, CONDUIT MEANS FOR DELIVERING A FIRST LIQUID UNDER PRESSURE TO SAID MOTOR, CONTROL VALVE MEANS GATING SAID LIQUID TO SAID MOTOR, SECOND CONDUIT MEANS FOR DISCHARGING LIQUID FROM SAID MOTOR, RECIPROCATING PISTON PUMP MEANS DRIVEN BY SAID MOTOR, FIRST CHECK VALVE MEANS METERING FLOW OF A SECOND LIQUID INTO SAID PUMP MEANS, SECOND CHECK VALVE MEANS CONTROLLING FLOW FROM SAID PUMP MEANS, TAPPET MEANS RECIPROCATED BY SAID MOTOR MEANS, SAID TAPPET MEANS ACTUATING SAID CONTROL VALVE MEANS, SAID TAPPET MEANS ALTERNATELY PROJECTING SAID CONTROL VALVE MEANS INTO ALTERNATE POSITIONS, MIXING CHAMBER MEANS INTO WHICH SAID SECOND CONDUIT MEANS AND SAID SECOND CHECK VALVE MEANS DISCHARGE, DELIVERY MEANS FOR WITHDRAWING THE MIXED FIRST AND SECOND LIQUIDS FROM SAID MIXING CHAMBER MEANS, AND THE RECIPROCATING PUMP MEANS COMPRISES A PUMPING CYLINDER ARRANGED AXIALLY WITHIN SAID MIXING CHAMBER AND WITHIN WHICH AN EXTENSION OF SAID CONNECTING ROD COMPRISES THE PUMPING PISTON.
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |