Patent US4021020A successfully refreshed from Google Patents.
US4021020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road barricade and method of making same
Assignee: Individual
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Filing: 1976-04-05
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Granted: 1977-05-03
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Expires: 1996-04-05
Abstract
Abstract An inexpensive, substantially indestructible road barricade which will cause reduced damage to an automobile upon collision therewith is disclosed. The method of making such road barricade in large numbers with uniform configuration from used automobile tires is also disclosed and the preferred configuration for the barricade is described.
Inventors
- 👤 Floyd V. Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:52
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/02; E01F9/00; E01F9/60; E01F9/688; Y; Y10; Y10S; Y10S52/00; Y10S52/09
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
130 words
A road barricade comprising a first sidewall portion of a given size separated from a vehicle tire, said first sidewall portion including one circular bead and having a convex major surface and an opposite concave major surface; a second sidewall portion separated from a vehicle tire of a size comparable to said given size vehicle tire, said second sidewall portion including one circular bead and having a convex major surface and an opposite concave major surface; and fastener means joining said first and said second sidewall portions to each other with said circular beads thereof in substantially coaxial alignment and said convex major surfaces thereof adjacent and facing each other, said fastener means being located within a sector defining less than 180° of the periphery of said circular beads thereof.
Claim 2
Dependent Claim
130 words
A road barricade comprising a first sidewall portion of a given size separated from a vehicle tire, said first sidewall portion including one circular bead and having a convex major surface and an opposite concave major surface; a second sidewall portion separated from a vehicle tire of a size comparable to said given size vehicle tire, said second sidewall portion including one circular bead and having a convex major surface and an opposite concave major surface; and fastener means joining said first and said second sidewall portions to each other with said circular beads thereof in substantially coaxial alignment and said convex major surfaces thereof adjacent and facing each other, said fastener means being located within a sector defining less than 180° of the periphery of said circular beads thereof.
Claim 3
Dependent Claim
26 words
A road barricade as claimed in claim 1 wherein corresponding parts of each of said first and second sidewall portions opposite said fastener means are removed.
Claim 4
Dependent Claim
48 words
A road barricade as claimed in claim 2 wherein said corresponding parts are removed from each of said first and second sidewall portions generally along first chordal lines the perpendicular bisectors of which bisect said sector defining less than 180° of the periphery of said circular beads thereof.
Claim 5
Dependent Claim
41 words
A road barricade as claimed in claim 3 wherein further corresponding parts of each of said first and second sidewall portions are removed along generally chordal second and third lines extending generally perpendicular to said first lines at opposite ends thereof.
Claim 6
Dependent Claim
24 words
A road barricade as claimed in claim 1 wherein said fastener means comprises a hinge structure interposed between said first and second sidewall portions.
Claim 7
Dependent Claim
57 words
A road barricade as claimed in claim 4 wherein said fastener means are located within a sector defining less than about 90° of the periphery of said circular beads of said sidewall portions and said first chordal lines lie within sectors defining less than about 90° of the periphery of said circular beads of said sidewall portions.
Claim 8
Dependent Claim
32 words
A road barricade as claimed in claim 6 wherein said second and third chordal lines lie within sectors defining about 90° of the periphery of said circular beads of said sidewall portions.
Claim 9
Dependent Claim
45 words
A road barricade as claimed in claim 7 wherein said road barricade includes a plurality of strap metal legs each mounted on a sidewall portion and projecting therefrom at a different one of the four corners provided by said first, second and third chordal lines.
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) | 1980-05-02 | 1980-11-01 | 1981-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-02 | 1984-11-01 | 1985-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-02 | 1988-11-01 | 1989-05-03 | $7700.00 | Window Closed / Lapsed |