US3334760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material spreading vehicle
Assignee: Individual
•
Filing: 1965-07-16
•
Granted: 1967-08-08
•
Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Bolinger Howard
- 👤 Ralph W Bolinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/16; A01C17/00; A01C17/005; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A MATERIAL SPREADING VEHICLE COMPRISING A FRAME, AXLE AND WHEEL STRUCTURE SUPPORTING SAID FRAME, A HOPPER ON SAID FRAME FOR CARRYING A QUANTITY OF FLOWABLE SOLID MATERIAL AND INCLUDING A DISCHARGE OPENING AT THE BOTTOM THEREOF, HOUSING MEANS AT SAID OPENING, A PLATE MEMBER SLIDABLY MOUNTED ON SAID HOPPER FOR MOVEMENT ACROSS SAID OPENING FOR VARYING THE EFFECTIVE SIZE OF SAID OPENING BETWEEN A CLOSED POSITION AND A FULL OPEN POSITIONAND CONTROLLING THE AMOUNT OF MATERIAL FLOWING THROUGH SAID OPENING AND INTO SAID HOUSING MEANS; A MATERIAL DISCHARGE SPOUT MOUNTED ON SAID FRAME WITH ONE END ADJACENT SAID OPENING AND THE OTHER END ADJACENT AND BELOW ONE END OF SAID HOPPER, A FEED SCREW OF UNIFORM DIAMETER WITHIN SAID SPOUT AND HAVING AN END PORTION BENEATH SAID OPENING THE THREAD STRUCTURE OF WHICH IS OF PROGRESSIVELY LARGE DIAMETER FROM THE END ADJACENT THE CLOSED POSITION
Claim 2
Dependent Claim
145 words
A MATERIAL SPREADING VEHICLE COMPRISING A FRAME, AXLE AND WHEEL STRUCTURE SUPPORTING SAID FRAME, A HOPPER ON SAID FRAME FOR CARRYING A QUANTITY OF FLOWABLE SOLID MATERIAL AND INCLUDING A DISCHARGE OPENING AT THE BOTTOM THEREOF, HOUSING MEANS AT SAID OPENING, A PLATE MEMBER SLIDABLY MOUNTED ON SAID HOPPER FOR MOVEMENT ACROSS SAID OPENING FOR VARYING THE EFFECTIVE SIZE OF SAID OPENING BETWEEN A CLOSED POSITION AND A FULL OPEN POSITIONAND CONTROLLING THE AMOUNT OF MATERIAL FLOWING THROUGH SAID OPENING AND INTO SAID HOUSING MEANS; A MATERIAL DISCHARGE SPOUT MOUNTED ON SAID FRAME WITH ONE END ADJACENT SAID OPENING AND THE OTHER END ADJACENT AND BELOW ONE END OF SAID HOPPER, A FEED SCREW OF UNIFORM DIAMETER WITHIN SAID SPOUT AND HAVING AN END PORTION BENEATH SAID OPENING THE THREAD STRUCTURE OF WHICH IS OF PROGRESSIVELY LARGE DIAMETER FROM THE END ADJACENT THE CLOSED POSITION
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |