US3279382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Royal Industries Co Ltd
•
Filing: 1964-04-14
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Granted: 1966-10-18
•
Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Marvin D Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:46
CPC Classifications
B; B60; B60K; B60K25/00; B60K25/02; F; F01; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; F01L25/063; F01L25/08; F04; F04B; F04B15/00; F04B15/02; F04B15/023; F04B49/00; F04B49/02; F04B49/06; F04B53/00; F04B53/16; F04B53/162; F04B53/164; F04B7/00; F04B7/02; F04B7/0233; F04B7/0241; F04B9/00; F04B9/02; F04B9/08; F04B9/10; F04B9/109; F04B9/117; F04B9/1176; F04B9/1178; F02; F02B; F02B1/00; F02B1/02; F02B1/04; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A PORTABLE PUMP FOR PUMPING MOIST, COMPRESSIBLE MATERIALS SUCH AS PLASTER, CONCRETE, MORTAR, AND THE LIKE INCLUDING: A MOTOR VEHICLE HAVING A POWER UNIT FOR PROPELLING THE VEHICLE, A PUMP FOR PUMPING SAID MATERIALS MOUNTED ON SAID MOTOR VEHICLE TO BE MOVABLE THEREWITH, SAID PUMP INCLUDING DRIVE MEANS THEREFOR, SWITCHABLE POWER TAKE-OFF MEANS COUPLED BETWEEN THE VEHICLE POWER UNIT AND THE PUMP DRIVE MEANS FOR ALTERNATELY COUPLING THE POWER UNIT FOR PROPELLING THE VEHICLE AND FOR POWERING THE DRIVE MEANS, SAID PUMP FURTHER INCLUDING PUMPING MEANS COUPLED TO BE ACTUATED BY SAID DRIVE MEANS, MEANS FOR CHARGING THE PUMPING MEANS WITH A MATERIAL TO BE PUMPED, A CONTROL CHAMBER MOUNTING A SINGLE MOVABLE CONTROL ELEMENT FOR CONTROLLING THE COMMUNICATION OF THE PUMPING MEANS WITH SAID CHARGING MEANS TO ALLOW THE PUMPING MEANS TO BE ALTERNATELY CHARGED AND DISCHARGED THERETHROUGH, AND CONTROL MEANS COUPLED TO SAID DRIVE MEANS FOR ACTUACTING THE PUMPING MEANS AND THE CONTROL ELEMENT IN A PRESELECTED SEQUENCE TO THEREBY ACTUATE THE PUMPING ELEMENT TO DISCHARGE A CHARGED MATERIAL WHEN THE CONTROL ELEMENT IS POSITIONED TO ALLOW COMMUNICATION BETWEEN THE PUMPING UNIT AND THE CONTROL CHAMBER.
Claim 2
Dependent Claim
188 words
A PORTABLE PUMP FOR PUMPING MOIST, COMPRESSIBLE MATERIALS SUCH AS PLASTER, CONCRETE, MORTAR, AND THE LIKE INCLUDING: A MOTOR VEHICLE HAVING A POWER UNIT FOR PROPELLING THE VEHICLE, A PUMP FOR PUMPING SAID MATERIALS MOUNTED ON SAID MOTOR VEHICLE TO BE MOVABLE THEREWITH, SAID PUMP INCLUDING DRIVE MEANS THEREFOR, SWITCHABLE POWER TAKE-OFF MEANS COUPLED BETWEEN THE VEHICLE POWER UNIT AND THE PUMP DRIVE MEANS FOR ALTERNATELY COUPLING THE POWER UNIT FOR PROPELLING THE VEHICLE AND FOR POWERING THE DRIVE MEANS, SAID PUMP FURTHER INCLUDING PUMPING MEANS COUPLED TO BE ACTUATED BY SAID DRIVE MEANS, MEANS FOR CHARGING THE PUMPING MEANS WITH A MATERIAL TO BE PUMPED, A CONTROL CHAMBER MOUNTING A SINGLE MOVABLE CONTROL ELEMENT FOR CONTROLLING THE COMMUNICATION OF THE PUMPING MEANS WITH SAID CHARGING MEANS TO ALLOW THE PUMPING MEANS TO BE ALTERNATELY CHARGED AND DISCHARGED THERETHROUGH, AND CONTROL MEANS COUPLED TO SAID DRIVE MEANS FOR ACTUACTING THE PUMPING MEANS AND THE CONTROL ELEMENT IN A PRESELECTED SEQUENCE TO THEREBY ACTUATE THE PUMPING ELEMENT TO DISCHARGE A CHARGED MATERIAL WHEN THE CONTROL ELEMENT IS POSITIONED TO ALLOW COMMUNICATION BETWEEN THE PUMPING UNIT AND THE CONTROL CHAMBER.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |