US3109353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road base spreading apparatus
Assignee: Ulrich Manufacturing Co
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Filing: 1960-02-24
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Granted: 1963-11-05
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:08
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
IN BASE SPREADING APPARATUS HAVING A PAIR OF LATERALLY SPACED SIDE ASSEMBLIES AND A PUSH ARM EXTENDING REARWARDLY FROM EACH SIDE ASSEMBLY; MEANS FOR CONNECTING EACH PUSH ARM TO THE RESPECTIVE SIDE ASSEMBLY COMPRISING GENERALLY UPRIGHT PIVOT MEANS ACCOMMODATING HORIZONTAL ANGULATION OF THE PUSH ARM RELATIVE TO THE SIDE ASSEMBLY, GRIPPING MEANS ASSOCIATED WITH SAID PIVOT MEANS AND NORMALLY RETAINING THE PUSH ARM AGAINST RELATIVE MOVEMENT IN THE HORIZONTAL PLANE, SAID CONNECTING MEANS ALSO COMPRISING HORIZONTALLY DISPOSED TRANSVERSE PIVOT MEANS PIVOTALLY CONNECTING SAID PUSH ARM WITH SAID GENERALLY UPRIGHT PIVOT MEANS FOR ACCOMMODATING VERTICAL ANGULATION OF THE PUSH ARM RELATIVE TO THE SIDE ASSEMBLY IN A VERTICAL JACK-KNIFING RELATION, AND ADJUSTABLE STRUT MEANS EXTENDING BETWEEN THE SIDE ASSEMBLY AND THE PUSH ARM ADJUSTABLE TO VARY THE RELATIVE VERTICAL ANGULATION THEREOF AROUND THE AXIS OF SAID TRANSVERSE PIVOT MEANS AND NORMALLY RETAINING THE SAME IN ADJUSTED POSITION.
References Cited (Backward Citations)
US2962947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |