Patent US3606597A successfully refreshed from Google Patents.
US3606597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Peters and Russell Inc
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Filing: 1969-06-05
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Granted: 1971-09-20
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Expires: 1989-06-05
Abstract
Abstract THIS INVENTION RELATES TO A SIMPLE, SMALL, RELATIVELY QUIET AND ECONOMICAL, HIGH EFFICIENCY FLUID PUMP. IT IS DISTINGUISHED BY A PUMP HOUSING CONSTITUTED BY A TUBE SECTION COMPARTMENTED BY A DIAMETRAL PLATE ANGLED TO THE LINE OF FLOW AND CAPPED BY END PLATES SIMPLY INTERCONNECTED, ONE OF WHICH MOUNTS THEREON AN ECCENTRIC DRIVE FOR A DIAPHRAGM TYPE PUMPING ELEMENT BRIDGING AN OPENING IN THE HOUSING. THIS INVENTION RELATES, ACCORDINGLY, TO IMPROVEMENTS IN PUMPS AND WILL BE ILLUSTRATED, MORE PARTICULARLY, BY PREFERRED EMBODIMENTS IN THE NATURE OF DIAPHRAGM TYPE PUMPS.
Inventors
- 👤 Linus E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:49
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B11/00; F04B11/0008; F04B11/0016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |