US3116852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioning apparatus
Assignee: H V HARDMAN CO Inc
•
Filing: 1960-08-08
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Granted: 1964-01-07
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:25
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A PROPORTIONING APPARATUS WHICH COMPRISES A MIXING CHAMBER, A FIRST FEED SYSTEM FOR SUPPLYING ONE LIQUID TO SAID MIXING CHAMBER, A PUMP IN SAID FIRST FEED SYSTEM, A WALKING BEAM FOR DRIVING SAID PUMP, A MOVABLE SUPPORT FOR SAID BEAM, SAID BEAM BEING PIVOTALLY MOUNTED ON SAID MOVABLE SUPPORT, DRIVE MEANS SEPARATE FROM SAID SUPPORT TO DRIVE THE WALKING BEAM WITH RECIPROCATING MOTION TO PIVOT ON SAID MOVABLE SUPPORT, A SECOND FEEL SYSTEM FOR SUPPLYING A SECOND LIQUID TO SAID MIXING CHAMBER, A SECOND PUMP IN SAID SECOND FEED SYSTEM, A SECOND WALKING BEAM FOR DRIVING SAID SECOND PUMP, A SECOND MOVABLE SUPPORT FOR SAID SECOND BEAM, SAID SECOND BEAM BEING PIVOTALLY MOUNTED ON SAID SECOND MOVABLE SUPPORT, DRIVE MEANS SEPARATE FROM SAID SECOND SUPPORT FOR DRIVING THE SAID SECOND WALKING BEAM WITH RECIPROCATING MOTION TO PIVOT ON SAID SECOND MOVABLE SUPPORT, MEANS FOR INTERLOCKING SAID TWO SUPPORTS ADAPTED TO MOVE THE TWO SUPPORTS SIMULTANEOUSLY LENGTHWISE ALONG SAID BEAMS WHEREBY BY CHANGING THE POSITION OF THE MOVING SUPPORTS THE AMOUNT OF LIQUID DELIVERED BY EACH PUMP TO THE MIXING CHAMBER MAY BE CHANGED WITHOUT SUBSTANTIAL CHANGE IN THE PROPORTION OF EACH LIQUID DELIVERED TO THE MIXING CHAMBER.
Claim 2
Dependent Claim
197 words
A PROPORTIONING APPARATUS WHICH COMPRISES A MIXING CHAMBER, A FIRST FEED SYSTEM FOR SUPPLYING ONE LIQUID TO SAID MIXING CHAMBER, A PUMP IN SAID FIRST FEED SYSTEM, A WALKING BEAM FOR DRIVING SAID PUMP, A MOVABLE SUPPORT FOR SAID BEAM, SAID BEAM BEING PIVOTALLY MOUNTED ON SAID MOVABLE SUPPORT, DRIVE MEANS SEPARATE FROM SAID SUPPORT TO DRIVE THE WALKING BEAM WITH RECIPROCATING MOTION TO PIVOT ON SAID MOVABLE SUPPORT, A SECOND FEEL SYSTEM FOR SUPPLYING A SECOND LIQUID TO SAID MIXING CHAMBER, A SECOND PUMP IN SAID SECOND FEED SYSTEM, A SECOND WALKING BEAM FOR DRIVING SAID SECOND PUMP, A SECOND MOVABLE SUPPORT FOR SAID SECOND BEAM, SAID SECOND BEAM BEING PIVOTALLY MOUNTED ON SAID SECOND MOVABLE SUPPORT, DRIVE MEANS SEPARATE FROM SAID SECOND SUPPORT FOR DRIVING THE SAID SECOND WALKING BEAM WITH RECIPROCATING MOTION TO PIVOT ON SAID SECOND MOVABLE SUPPORT, MEANS FOR INTERLOCKING SAID TWO SUPPORTS ADAPTED TO MOVE THE TWO SUPPORTS SIMULTANEOUSLY LENGTHWISE ALONG SAID BEAMS WHEREBY BY CHANGING THE POSITION OF THE MOVING SUPPORTS THE AMOUNT OF LIQUID DELIVERED BY EACH PUMP TO THE MIXING CHAMBER MAY BE CHANGED WITHOUT SUBSTANTIAL CHANGE IN THE PROPORTION OF EACH LIQUID DELIVERED TO THE MIXING CHAMBER.
References Cited (Backward Citations)
US1161557A
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US1964028A
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US2207942A
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US2498993A
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US2762307A
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US2785639A
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US2895644A
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US2946488A
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US3018922A
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US2971382A
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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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |