US3308974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk material cart
Assignee: Individual
•
Filing: 1965-07-28
•
Granted: 1967-03-14
•
Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 Augustine S Rosenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:35
CPC Classifications
A; A01; A01D; A01D90/00; A01D90/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SELF-PROPELLED AND SELF-UNLOADING BULK MATERIAL CART COMPRISING: (A) A CHASSIS, (B) A PAIR OF REAR WHEELS SUPPORTING THE REAR END OF SAID CHASSIS, (C) A THIRD WHEEL ROTATABLY MOUNTED AT THE FORWARD END OF SAID CHASSIS FOR DRIVING AND STEERING SAID CART, (D) MEANS FOR MANUALLY STEERING SAID THIRD WHEEL, (E) A BOX MOUNTED ON SAID CHASIS FOR HOLDING BULK MATERIAL, SAID BOX HAVING A FLOOR AND A PLURALITY OF WALLS, SAID BOX HAVING A DISCHARGE OPENING TO FACILITATE THE UNLOADING OF BULK MATERIAL FROM SAID CART, (F) AN ENDLESS CONVEYOR CHAIN ADAPTED TO BE DRIVEN OVER THE TOP SURFACE OF THE FLOOR OF SAID BOX TOWARD SAID DISCHARGE OPENING AND (G) MEANS FOR DRIVING SAID THIRD WHEEL AND FOR DRIVING SAID CONVEYOR CHAIN FOR DISCHARGING BULK MATERIAL FROM SAID CART THROUGH SAID DISCHARGE OPENING.
Claim 2
Dependent Claim
136 words
A SELF-PROPELLED AND SELF-UNLOADING BULK MATERIAL CART COMPRISING: (A) A CHASSIS, (B) A PAIR OF REAR WHEELS SUPPORTING THE REAR END OF SAID CHASSIS, (C) A THIRD WHEEL ROTATABLY MOUNTED AT THE FORWARD END OF SAID CHASSIS FOR DRIVING AND STEERING SAID CART, (D) MEANS FOR MANUALLY STEERING SAID THIRD WHEEL, (E) A BOX MOUNTED ON SAID CHASIS FOR HOLDING BULK MATERIAL, SAID BOX HAVING A FLOOR AND A PLURALITY OF WALLS, SAID BOX HAVING A DISCHARGE OPENING TO FACILITATE THE UNLOADING OF BULK MATERIAL FROM SAID CART, (F) AN ENDLESS CONVEYOR CHAIN ADAPTED TO BE DRIVEN OVER THE TOP SURFACE OF THE FLOOR OF SAID BOX TOWARD SAID DISCHARGE OPENING AND (G) MEANS FOR DRIVING SAID THIRD WHEEL AND FOR DRIVING SAID CONVEYOR CHAIN FOR DISCHARGING BULK MATERIAL FROM SAID CART THROUGH SAID DISCHARGE OPENING.
References Cited (Backward Citations)
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Cited
US1637601A
Cited
US2591556A
Cited
US2706008A
Cited
US2815083A
Cited
US3064837A
Cited
US3099326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |