US3271078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rock wagon
Assignee: Caterpillar Inc
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Filing: 1965-05-18
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Granted: 1966-09-06
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Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Dean C Klingaman
- 👤 Grow Alfred C La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:17
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/003; B60P1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DUMP WAGON HAVING A FRAME SUPPORTED ON WHEELS AND INCLUDING TWO SPACED LONGITUDINALLY EXTENDING BEAMS, A BODY BETWEN SAID BEAMS COMPRISING TWO HALVES EACH HAVING A SIDE WALL AND A BOTTOM WALL, PIVOT MEANS SUPPORTING SAID HALVES EACH WITH RESPECT TO ONE OF SAID BEAMS AND WITH EDGES OF THE BOTTOM WALLS MEETING BETWEEN THE BEAMS TO FORM A RECEPTACLE, AND POWER MEANS ENGAGING EACH HALF ADJACENT ITS SIDE WALL TO SWING IT OT A POSITION FOR DUMPING ITS CONTENT OUTWARDLY OVER THE BEAM TO WHICH IT IS PROVIDED.
Claim 2
Dependent Claim
90 words
A DUMP WAGON HAVING A FRAME SUPPORTED ON WHEELS AND INCLUDING TWO SPACED LONGITUDINALLY EXTENDING BEAMS, A BODY BETWEN SAID BEAMS COMPRISING TWO HALVES EACH HAVING A SIDE WALL AND A BOTTOM WALL, PIVOT MEANS SUPPORTING SAID HALVES EACH WITH RESPECT TO ONE OF SAID BEAMS AND WITH EDGES OF THE BOTTOM WALLS MEETING BETWEEN THE BEAMS TO FORM A RECEPTACLE, AND POWER MEANS ENGAGING EACH HALF ADJACENT ITS SIDE WALL TO SWING IT OT A POSITION FOR DUMPING ITS CONTENT OUTWARDLY OVER THE BEAM TO WHICH IT IS PROVIDED.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |