Patent US3202103A successfully refreshed from Google Patents.
US3202103A
Expired / Lapsed
US
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Flexible cam actuated impeller pump
Assignee: Western Brass Works Corp
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Filing: 1961-12-21
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Granted: 1965-08-24
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Expires: 1981-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank H Sully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:16
CPC Classifications
F; F04; F04C; F04C5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PUMP OF THE TYPE HAVING A HOUSING RECEIVING A DRIVEN SHAFT AND AN IMPELLER HAVING A PLURALITY OF BLADES THERON MOUNTED UPON SAID SHAFT THE COMBINATION OF A SLEEVE SURROUNDING SAID IMPELLER FORMING A SURFACE CONTACTING THE BLADES OF SAID IMPELLER AND AN INERT FILLER MATERIAL CONNECTED TO AND SURROUNDING SAID SLEEVE AND SUPPORTING SAME IN SAID HOUSING, AND A WEAR PLATE HAVING A CENTRAL OPENING THROUGH WHICH SAID DRIVEN SHAFT MAY PASS ATTACHED TO SAID SLEEVE SAID ABUTTING SAID IMPELLER AND THE BLADES THEREOF TO FORM A PUMP CHAMBER, SAID SLEEVE, SAID FILLER MATERIAL AND SAID WEAR PLATE FORMING A SINGLE UNIT SLIDABLY REMOVABLE FROM SAID HOUSING.
Claim 2
Dependent Claim
110 words
IN A PUMP OF THE TYPE HAVING A HOUSING RECEIVING A DRIVEN SHAFT AND AN IMPELLER HAVING A PLURALITY OF BLADES THERON MOUNTED UPON SAID SHAFT THE COMBINATION OF A SLEEVE SURROUNDING SAID IMPELLER FORMING A SURFACE CONTACTING THE BLADES OF SAID IMPELLER AND AN INERT FILLER MATERIAL CONNECTED TO AND SURROUNDING SAID SLEEVE AND SUPPORTING SAME IN SAID HOUSING, AND A WEAR PLATE HAVING A CENTRAL OPENING THROUGH WHICH SAID DRIVEN SHAFT MAY PASS ATTACHED TO SAID SLEEVE SAID ABUTTING SAID IMPELLER AND THE BLADES THEREOF TO FORM A PUMP CHAMBER, SAID SLEEVE, SAID FILLER MATERIAL AND SAID WEAR PLATE FORMING A SINGLE UNIT SLIDABLY REMOVABLE FROM SAID HOUSING.
References Cited (Backward Citations)
US887658A
Cited
US1952179A
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FR960546A
Cited
US2616764A
Cited
GB720956A
Cited
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Cited
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |