Patent US3338426A successfully refreshed from Google Patents.
US3338426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty truck crane
Assignee: Grove Manufacturing Co
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Filing: 1965-09-21
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Granted: 1967-08-29
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Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 John L Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:06
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C23/78; B66C23/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A HEAVY DUTY TRUCK CRANE OF THE CHARACTER DESCRIBED COMPRISING A TRUCK CHASSIS, A CRANE ASSEMBLY MOUNTED ON THE TRUCK CHASSIS FORWARD AND REAR OUTRIDGGER ASSEMBLIES SECURED TO THE CHASSIS FOR SUPPORTING THE CRANE WHEN LIFTING A RELATIVELY HEAVY LOAD, THE TRUCK CHASSIS INCLUDING A REAR TANDEM AXLE ASSEMBLY HAVING AN EQUALIZING BEAM-TYPE SUSPENSION SYSTEM, SUBSTANTIALLY THE MEDIAL PORTION OF THE EQUALIZING BEAM BEING PIVOTALLY CONNECTED TO THE REAR OUTRIGGER ASSEMBLY, AND SAID REAR OUTRIGGER ASSEMBLY BEING CONNECTED TO THE VEHICLE CHASSIS IN PROXIMITY TO SUBSTANTIALLY THE MEDIAL PORTION OF THE EQUALIZING BEAM.
Claim 2
Dependent Claim
93 words
A HEAVY DUTY TRUCK CRANE OF THE CHARACTER DESCRIBED COMPRISING A TRUCK CHASSIS, A CRANE ASSEMBLY MOUNTED ON THE TRUCK CHASSIS FORWARD AND REAR OUTRIDGGER ASSEMBLIES SECURED TO THE CHASSIS FOR SUPPORTING THE CRANE WHEN LIFTING A RELATIVELY HEAVY LOAD, THE TRUCK CHASSIS INCLUDING A REAR TANDEM AXLE ASSEMBLY HAVING AN EQUALIZING BEAM-TYPE SUSPENSION SYSTEM, SUBSTANTIALLY THE MEDIAL PORTION OF THE EQUALIZING BEAM BEING PIVOTALLY CONNECTED TO THE REAR OUTRIGGER ASSEMBLY, AND SAID REAR OUTRIGGER ASSEMBLY BEING CONNECTED TO THE VEHICLE CHASSIS IN PROXIMITY TO SUBSTANTIALLY THE MEDIAL PORTION OF THE EQUALIZING BEAM.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |