Patent US3153347A successfully refreshed from Google Patents.
US3153347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical feed pump
Assignee: Culligan Inc
•
Filing: 1961-01-03
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Granted: 1964-10-20
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schutze
- 👤 Edwin A Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:25
CPC Classifications
F; F04; F04B; F04B53/00; F04B43/00; F04B43/0009; F04B43/0081; F04B43/009; F04B43/02; F04B53/10; F04B53/102; F04B9/00; F04B9/02; F04B9/04; F04B9/042; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1658; Y10T74/1667; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A VARIABLE STROKE CAM ACTUATING MECHANISM FOR A PUMP OR THE LIKE HAVING A DRIVE MOTOR AND A RECIPROCABLY MOUNTED PISTON ROD, COMPRISING A GENERALLY CYLINDRICAL DIAL HOUSING ROTATABLY MOUNTED ON THE PUMP AND SURROUNDING THE PISTON ROD, A BASE PLATE AT ONE END OF THE DIAL HOUSING, AN ADJUSTABLE PLATE THREADEDLY ENGAGING THE INTERIOR OF THE DIAL HOUSING ADJACENT THE OPPOSITE END FOR RECIPROCATION RELATIVE THERETO, MEANS PREVENTING ROTATION OF SAID ADJUSTABLE PLATE SO THAT ON ROTATION OF SAID DIAL HOUSING SAID ADJUSTABLE PLATE WILL MOVE LONGITUDINALLY WITHIN THE DIAL HOUSING, SAID ADJUSTABLE PLATE HAVING A CENTRAL OPENING TO ACCOMMODATE SAID PISTON ROD, CAM
Claim 2
Dependent Claim
105 words
A VARIABLE STROKE CAM ACTUATING MECHANISM FOR A PUMP OR THE LIKE HAVING A DRIVE MOTOR AND A RECIPROCABLY MOUNTED PISTON ROD, COMPRISING A GENERALLY CYLINDRICAL DIAL HOUSING ROTATABLY MOUNTED ON THE PUMP AND SURROUNDING THE PISTON ROD, A BASE PLATE AT ONE END OF THE DIAL HOUSING, AN ADJUSTABLE PLATE THREADEDLY ENGAGING THE INTERIOR OF THE DIAL HOUSING ADJACENT THE OPPOSITE END FOR RECIPROCATION RELATIVE THERETO, MEANS PREVENTING ROTATION OF SAID ADJUSTABLE PLATE SO THAT ON ROTATION OF SAID DIAL HOUSING SAID ADJUSTABLE PLATE WILL MOVE LONGITUDINALLY WITHIN THE DIAL HOUSING, SAID ADJUSTABLE PLATE HAVING A CENTRAL OPENING TO ACCOMMODATE SAID PISTON ROD, CAM
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |