US3232460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete hoisting and placing apparatus
Assignee: Petersen Ind Inc
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Filing: 1964-01-07
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Granted: 1966-02-01
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Expires: 1984-01-07
Abstract
No abstract record available.
Inventors
- 👤 Charles E Rouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:12
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION WITH A TRANSIT CONCRETE-MIX TRUCK EQUIPPED WITH A DISCHARGE PIPE, A HOLLOW BASE CARRIED BY SAID TRUCK, A BOOM SUPPORT ROTATABLY MOUNTED IN SAID BASE, A SEGMENTAL BOOM CARRIED BY SAID SUPPORT AND HAVING THE SEGMENTS THEREOF PIVOTALLY CONNECTED, A SLIDING BOOM TELESCOPICALLY ENGAGING AN OUTER SEGMENT OF SAID SEGMENTAL BOOM, SAID SLIDING BOOM HAVING A BIFURCATED HEAD, A HOPPER HAVING TRUNNIONS RECEIVED WITHIN THE BIFURCATED HEAD OF SAID SLIDING BOOM FOR SWINGING MOVEMENT THEREON, SAID HOPPER HAVING A REDUCED LOWER END, A FLEXIBLE TUBULAR MEMBER IN SAID HOPPER HAVING A REDUCED SLEEVE EXTENSION PASSING THROUGH THE REDUCED LOWER END OF SAID HOPPER TO FORM A DISCHARGE SLEEVE, SPRING-URGED GRIPPER MEANS CARRIED BY SAID HOPPER FOR NORMALLY GRIPPING SAID SLEEVE TO CLOSE THE SAME, AND HANDLE MEANS CARRIED BY SAID LAST-MENTIONED MEANS FOR OPENING SAID SLEEVE TO PERMIT DISCHARGE THERETHROUGH.
Claim 2
Dependent Claim
142 words
IN COMBINATION WITH A TRANSIT CONCRETE-MIX TRUCK EQUIPPED WITH A DISCHARGE PIPE, A HOLLOW BASE CARRIED BY SAID TRUCK, A BOOM SUPPORT ROTATABLY MOUNTED IN SAID BASE, A SEGMENTAL BOOM CARRIED BY SAID SUPPORT AND HAVING THE SEGMENTS THEREOF PIVOTALLY CONNECTED, A SLIDING BOOM TELESCOPICALLY ENGAGING AN OUTER SEGMENT OF SAID SEGMENTAL BOOM, SAID SLIDING BOOM HAVING A BIFURCATED HEAD, A HOPPER HAVING TRUNNIONS RECEIVED WITHIN THE BIFURCATED HEAD OF SAID SLIDING BOOM FOR SWINGING MOVEMENT THEREON, SAID HOPPER HAVING A REDUCED LOWER END, A FLEXIBLE TUBULAR MEMBER IN SAID HOPPER HAVING A REDUCED SLEEVE EXTENSION PASSING THROUGH THE REDUCED LOWER END OF SAID HOPPER TO FORM A DISCHARGE SLEEVE, SPRING-URGED GRIPPER MEANS CARRIED BY SAID HOPPER FOR NORMALLY GRIPPING SAID SLEEVE TO CLOSE THE SAME, AND HANDLE MEANS CARRIED BY SAID LAST-MENTIONED MEANS FOR OPENING SAID SLEEVE TO PERMIT DISCHARGE THERETHROUGH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |