US3369705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural source cleaning apparatus having fluid actuated diaphragmtype proportioning valve
Assignee: Curtis Dyna Products Corp
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Filing: 1966-05-09
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Granted: 1968-02-20
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Russell R Curtis
- 👤 Conrad D Mcginnis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B08B3/028; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; B05B9/01; B08B2203/00; B08B2203/02; B08B2203/0205; B08B2203/0217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A PRESSURE CLEANING APPARATUS COMPRISING IN COMBINATION: A SOURCE OF A FIRST CLEANING FLUID UNDER PRESSURE, A FLUID PUMP AND DRIVE MEANS THEREFOR, A SOURCE OF A SECOND CLEANING FLUID, AND A FLUID DISCHARGE MEMBER ADPATED FOR USE AT A LOCATION REMOTE FROM SAID PUMP, FLUID CONDUITS CONNECTING BOTH OF SAID FLUID SOURCES TO THE INTAKE OF SAID PUMP, A THROTTLING VALVE IN THE CONDUIT CONNECTING SAID FIRST FLUID SOURCE WITH THE PUMP INTAKE FOR DETERMINING THE FLOW FROM SAID FIRST FLUID SOURCE TO THE PUMP, SAID THROTTLING VALVE INCLUDING A PRESSURE CHAMBER HAVING A MOVEABLE WALL AND A VALVE MEMBER POSITIONED BY SAID MOVEABLE WALL FOR ESTABLISHING THE RATE OF FLOW THROUGH SAID THROTTLING VALVE IN RESPONSE TO THE PRESSURE IN SAID PRESSURE CHAMBER, A FLEXIBLE FLUID CONDUIT CONNECTING THE DISCHARGE SIDE OF SAID PUMP TO SAID FLUID DISCHARGE MEMBER FOR DISCHARGING THE PUMP OUTPUT THERETHROUGH, A MANUALLY ADJUSTABLE ORIFICE CARRIED BY SAID DISCHARGE MEMBER, A FIRST FLEXIBLE TUBE CONNECTING SAID SOURCE OF PRESSURIZED CLEANING FLUID WITH ONE SIDE OF SAID ORIFICE, MEANS VENTING THE OTHER SIDE OF SAID
Claim 2
Dependent Claim
180 words
A PRESSURE CLEANING APPARATUS COMPRISING IN COMBINATION: A SOURCE OF A FIRST CLEANING FLUID UNDER PRESSURE, A FLUID PUMP AND DRIVE MEANS THEREFOR, A SOURCE OF A SECOND CLEANING FLUID, AND A FLUID DISCHARGE MEMBER ADPATED FOR USE AT A LOCATION REMOTE FROM SAID PUMP, FLUID CONDUITS CONNECTING BOTH OF SAID FLUID SOURCES TO THE INTAKE OF SAID PUMP, A THROTTLING VALVE IN THE CONDUIT CONNECTING SAID FIRST FLUID SOURCE WITH THE PUMP INTAKE FOR DETERMINING THE FLOW FROM SAID FIRST FLUID SOURCE TO THE PUMP, SAID THROTTLING VALVE INCLUDING A PRESSURE CHAMBER HAVING A MOVEABLE WALL AND A VALVE MEMBER POSITIONED BY SAID MOVEABLE WALL FOR ESTABLISHING THE RATE OF FLOW THROUGH SAID THROTTLING VALVE IN RESPONSE TO THE PRESSURE IN SAID PRESSURE CHAMBER, A FLEXIBLE FLUID CONDUIT CONNECTING THE DISCHARGE SIDE OF SAID PUMP TO SAID FLUID DISCHARGE MEMBER FOR DISCHARGING THE PUMP OUTPUT THERETHROUGH, A MANUALLY ADJUSTABLE ORIFICE CARRIED BY SAID DISCHARGE MEMBER, A FIRST FLEXIBLE TUBE CONNECTING SAID SOURCE OF PRESSURIZED CLEANING FLUID WITH ONE SIDE OF SAID ORIFICE, MEANS VENTING THE OTHER SIDE OF SAID
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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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |