US3318253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumps with heat exchanger for pumping slurries
Assignee: Pall Corp
•
Filing: 1965-01-21
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Granted: 1967-05-09
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Campolong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:48
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0606; F04D13/0613; F04D29/00; F04D29/58; F04D29/5806; F04D29/586; F04D29/5866; Y; Y10; Y10S; Y10S165/00; Y10S165/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A HEAT EXCHANGER FOR PUMPS HAVING TWO SIDES FOR HEAT EXCHANGE, ONE SIDE HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED TO A COOLANT-PUMPED FLUID FLOW CIRCUIT INCLUDING A PUMP CHAMBER, THE SECOND SIDE HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED TO A FLUID FLOW CIRCUIT INCLUDING THE MOTOR ROTOR CHAMBER OF THE PUMP, A POROUS MEMBER SEPARATING THE TWO SIDES AND CONSTITUTING A HEAT TRANSFERRING BARRIER ALLOWING FLOW OF
Claim 2
Dependent Claim
75 words
A HEAT EXCHANGER FOR PUMPS HAVING TWO SIDES FOR HEAT EXCHANGE, ONE SIDE HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED TO A COOLANT-PUMPED FLUID FLOW CIRCUIT INCLUDING A PUMP CHAMBER, THE SECOND SIDE HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED TO A FLUID FLOW CIRCUIT INCLUDING THE MOTOR ROTOR CHAMBER OF THE PUMP, A POROUS MEMBER SEPARATING THE TWO SIDES AND CONSTITUTING A HEAT TRANSFERRING BARRIER ALLOWING FLOW OF
References Cited (Backward Citations)
US1881041A
Cited
US3135211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |