US3180628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator dump truck for concrete and other semi-liquid materials
Assignee: Winget Ltd
•
Filing: 1962-10-22
•
Granted: 1965-04-27
•
Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Pullin Cyril George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:45
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/16; B28; B28C; B28C5/00; B28C5/42; B28C5/4282; B28C5/4286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN AGITATOR DUMP TRUCK HAVING A CONTENTS-RETAINING BODY THEREON AND MEANS FOR DISCHARGING THE CONTENTS OF THE BODY THEREFROM; AN AGITATOR MECHANISM HAVING A SHAFT ROTATABLY MOUNTED IN THE BODY AND POSITIONED GENERALLY LONGITUDINALLY THEREOF AND PROVIDED WITH AGITATORS THEREON THAT AGITATE THE CONTENTS WITHIN THE BODY DURING ROTATION OF SAID SHAFT; A POWER-DRIVEN MEANS FOR ROTATING SAID SHAFT; AND A REVERSING-DRIVE CONTROL MEANS OPERATIVELY CONNECTED WITH SAID POWER-DRIVE MEANS AND INCLUDING INSTRUMENTALITIES RESPONSIVE TO A PREDETERMINED PRESSURE-RESISTANCE OF THE CONTENTS IN SAID BODY TO THE MOVEMENT OF SAID AGITATORS FOR AUTOMATICALLY REVERSING THE DIRECTION OF ROTATION OF SAID SHAFT FOR A SELECTED AMOUNT OF ANGULAR MOVEMENT OF SAID SHAFT.
Claim 2
Dependent Claim
110 words
AN AGITATOR DUMP TRUCK HAVING A CONTENTS-RETAINING BODY THEREON AND MEANS FOR DISCHARGING THE CONTENTS OF THE BODY THEREFROM; AN AGITATOR MECHANISM HAVING A SHAFT ROTATABLY MOUNTED IN THE BODY AND POSITIONED GENERALLY LONGITUDINALLY THEREOF AND PROVIDED WITH AGITATORS THEREON THAT AGITATE THE CONTENTS WITHIN THE BODY DURING ROTATION OF SAID SHAFT; A POWER-DRIVEN MEANS FOR ROTATING SAID SHAFT; AND A REVERSING-DRIVE CONTROL MEANS OPERATIVELY CONNECTED WITH SAID POWER-DRIVE MEANS AND INCLUDING INSTRUMENTALITIES RESPONSIVE TO A PREDETERMINED PRESSURE-RESISTANCE OF THE CONTENTS IN SAID BODY TO THE MOVEMENT OF SAID AGITATORS FOR AUTOMATICALLY REVERSING THE DIRECTION OF ROTATION OF SAID SHAFT FOR A SELECTED AMOUNT OF ANGULAR MOVEMENT OF SAID SHAFT.
References Cited (Backward Citations)
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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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |