US3094076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump assembly
Assignee: SUPERIOR TOOL AND GRINDING CO
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Filing: 1961-08-09
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Granted: 1963-06-18
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Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:18
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/02; F04B9/04; F04B9/047; F04B43/00; F04B43/02; F04B43/023; F04B9/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PUMP COMPRISING, A HOUSING HAVING INLET AND OUTLET MEANS THEREIN, IMPELLER MEANS MOUNTED WITHIN SAID HOUSING, SHAFT MEANS JOURNALLED WITHIN SAID HOUSING, A REVERSE ENDLESS CAM GROOVE IN SAID SHAFT MEANS, A FOLLOWER SLEEVE MOUNTED ON SAID SHAFT MEANS AND CONNECTED TO SAID IMPELLER MEANS, A FOLLOWER PIN DEPENDING FROM SAID FOLLOWER SLEEVE AND ENGAGED WITH SAID CAM GROOVE WHEREBY UPON ROTATION OF SAID SHAFT SAID IMPELLER IS CAUSED TO RECIPROCATE WITHIN SAID HOUSING, AND AN IMPERVIOUS SLEEVE BETWEEN THE IMPELLER MEANS AND THE FOLLOWER SLEEVE, THE ENDS OF SAID IMPERVIOUS SLEEVE BEING SEALED TO OPPOSING WALLS OF SAID HOUSING, WHEREBY A MEDIUM BEING PUMPED IS PREVENTED FROM CONTACTING THE FOLLOWER SLEEVE AND PIN.
Claim 2
Dependent Claim
115 words
A PUMP COMPRISING, A HOUSING HAVING INLET AND OUTLET MEANS THEREIN, IMPELLER MEANS MOUNTED WITHIN SAID HOUSING, SHAFT MEANS JOURNALLED WITHIN SAID HOUSING, A REVERSE ENDLESS CAM GROOVE IN SAID SHAFT MEANS, A FOLLOWER SLEEVE MOUNTED ON SAID SHAFT MEANS AND CONNECTED TO SAID IMPELLER MEANS, A FOLLOWER PIN DEPENDING FROM SAID FOLLOWER SLEEVE AND ENGAGED WITH SAID CAM GROOVE WHEREBY UPON ROTATION OF SAID SHAFT SAID IMPELLER IS CAUSED TO RECIPROCATE WITHIN SAID HOUSING, AND AN IMPERVIOUS SLEEVE BETWEEN THE IMPELLER MEANS AND THE FOLLOWER SLEEVE, THE ENDS OF SAID IMPERVIOUS SLEEVE BEING SEALED TO OPPOSING WALLS OF SAID HOUSING, WHEREBY A MEDIUM BEING PUMPED IS PREVENTED FROM CONTACTING THE FOLLOWER SLEEVE AND PIN.
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 |