Patent US3080152A successfully refreshed from Google Patents.
US3080152A
Expired / Lapsed
US
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Hydraulically driven transit mixer
Assignee: Chain Belt Co
•
Filing: 1959-04-01
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Granted: 1963-03-05
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Expires: 1979-04-01
Abstract
No abstract record available.
Inventors
- 👤 John W Lendved
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:28
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/02; B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4206; B28C5/421; B28C5/4213; B28C5/4217
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
A TRUCK-MOUNTED CONCRETE MIXER INCLUDING A CONCRETE MIXING DRUM ADAPTED TO BE ROTATABLY MOUNTED ON A FRAME OF A CONVENTIONAL MOTOR TRUCK HAVING A RUNNING CONTROL TRANSMISSION AND AN ENGINE OPERATIVELY CONNECTED TO DRIVE SAID CONTROL TRANSMISSION, SAID MIXING DRUM BEING CLOSED AT ITS FORWARD END AND OPEN AT ITS REARWARD END, WHICH COMPRISES A VARIABLE DISPLACEMENT REVERSIBLE-FLOW HIGH-PRESSURE PUMP OPERATIVELY CONNECTED TO BE DRIVEN BY SAID TRUCK ENGINE INDEPENDENTLY OF SAID RUNNING CONTROL TRANSMISSION, CONTROL APPARATUS ARRANGED TO CONTROL SAID PUMP AS TO VOLUME AND DIRECTION OF FLUID FLOW THEREFROM, BEARING MEANS DISPOSED TO ROTATABLY SUPPORT SAID OPEN REARWARD END OF SAID DRUM, A MULTIRADIAL-CYLINDER HYDRAULIC MOTOR HAVING A ROTATING SHAFT SECURED TO THE CLOSED FORWARD END OF THE DRUM, A BALL AND SOCKET JOINT DISPOSED TO SUPPORT SAID HYDRAULIC MOTOR
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |