US3334591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Eaton Corp
•
Filing: 1966-08-04
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Granted: 1967-08-08
•
Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Richard W Dymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:15
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; F04C2/3445; F01; F01C; F01C21/00; F01C21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A FLUID PUMP COMPRISING A PUMP HOUSING HAVING A CHAMBER THEREIN, SAID PUMP HOUSING HAVING A FLUID INLET PASSAGE AND A FLUID OUTLET PASSAGE, PUMPING MECHANISM LOCATED IN SAID CHAMBER AND OPERABLE TO PUMP FLUID FROM SAID INLET TO SAID OUTLET PASSAGE, A PORT PLATE SUPPORTED IN SAID CHAMBER AND HAVING A FIRST PORTION IN A SEALING RELATIONSHIP WITH A FIRST PORTION OF SAID PUMPING MECHANISM, A PRESSURE PLATE SUPPORTED IN SAID CHAMBER AND HAVING FLUID PASSAGEWAY MEANS COMMUNICATING SAID OUTLET PASSAGE WITH SAID PUMPING MECHANISM AND EXTENDING ADJACENT A SECOND PORTION OF SAID PUMPING MECHANISM, SAID PRESSURE PLATE DEFINING AT LEAST IN PART A PRESSURE DISCHARGE CHAMBER ON THE SIDE THEREOF OPPOSITE THE SIDE ADJACENT SAID PUMPING MECHANISM AND THE FLUID PRESSURE IN SAID DISCHARGE CHAMBER APPLYING A FORCE THROUGH THE PRESSURE PLATE AND SAID SECOND PORTION OF SAID PUMPING MECHANISM TO A SECOND PORTION OF THE PORT PLATE SPACED FROM SAID FIRST PORTION, AND MEANS LOCATED BETWEEN SAID PUMP HOUSING AND SAID PORT PLATE TO INHIBIT MOVEMENT OF SAID FIRST PORTION THEREOF OUT OF SEALING ENGAGEMENT WITH SAID PUMPING MECHANISM.
Claim 2
Dependent Claim
182 words
A FLUID PUMP COMPRISING A PUMP HOUSING HAVING A CHAMBER THEREIN, SAID PUMP HOUSING HAVING A FLUID INLET PASSAGE AND A FLUID OUTLET PASSAGE, PUMPING MECHANISM LOCATED IN SAID CHAMBER AND OPERABLE TO PUMP FLUID FROM SAID INLET TO SAID OUTLET PASSAGE, A PORT PLATE SUPPORTED IN SAID CHAMBER AND HAVING A FIRST PORTION IN A SEALING RELATIONSHIP WITH A FIRST PORTION OF SAID PUMPING MECHANISM, A PRESSURE PLATE SUPPORTED IN SAID CHAMBER AND HAVING FLUID PASSAGEWAY MEANS COMMUNICATING SAID OUTLET PASSAGE WITH SAID PUMPING MECHANISM AND EXTENDING ADJACENT A SECOND PORTION OF SAID PUMPING MECHANISM, SAID PRESSURE PLATE DEFINING AT LEAST IN PART A PRESSURE DISCHARGE CHAMBER ON THE SIDE THEREOF OPPOSITE THE SIDE ADJACENT SAID PUMPING MECHANISM AND THE FLUID PRESSURE IN SAID DISCHARGE CHAMBER APPLYING A FORCE THROUGH THE PRESSURE PLATE AND SAID SECOND PORTION OF SAID PUMPING MECHANISM TO A SECOND PORTION OF THE PORT PLATE SPACED FROM SAID FIRST PORTION, AND MEANS LOCATED BETWEEN SAID PUMP HOUSING AND SAID PORT PLATE TO INHIBIT MOVEMENT OF SAID FIRST PORTION THEREOF OUT OF SEALING ENGAGEMENT WITH SAID PUMPING MECHANISM.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |