Patent US4188150A successfully refreshed from Google Patents.
US4188150A
Expired / Lapsed
US
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Highway lane marker
Assignee: Individual
•
Filing: 1978-07-13
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Granted: 1980-02-12
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Expires: 1998-07-13
Abstract
Abstract A highway marker comprising a spherical member mounted in a housing so that a portion of the spherical member projects from the housing. The spherical member is so mounted that axial movement within the housing and rotational movement of said member is permitted.
Inventors
- 👤 Edward A. Sroka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:54
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/553; E01F9/565; E01F9/571
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
129 words
A marker to be embedded substantially below the grade of a roadway and having a portion projecting above the grade, said marker comprising: a housing; a substantially spherical member resiliently and rotatably supported in said housing; cap means for retaining a major portion of said spherical member within said housing while permitting a portion of said spherical member to project from said housing; support means for supporting said spherical member within said housing so that said spherical member can rotate within said housing when the portion of said spherical member that projects from said housing receives an impact parallel to the roadway; and means for resiliently supporting said support means and said spherical member to allow axial movement of said support means and said spherical member within said housing.
Claim 2
Dependent Claim
129 words
A marker to be embedded substantially below the grade of a roadway and having a portion projecting above the grade, said marker comprising: a housing; a substantially spherical member resiliently and rotatably supported in said housing; cap means for retaining a major portion of said spherical member within said housing while permitting a portion of said spherical member to project from said housing; support means for supporting said spherical member within said housing so that said spherical member can rotate within said housing when the portion of said spherical member that projects from said housing receives an impact parallel to the roadway; and means for resiliently supporting said support means and said spherical member to allow axial movement of said support means and said spherical member within said housing.
Claim 3
Dependent Claim
11 words
The marker of claim 1 wherein said housing is a cylinder.
Claim 4
Dependent Claim
16 words
The marker of claim 1 wherein said spherical member is a iridescent, phosphorescent or luminescent ball.
Claim 5
Dependent Claim
18 words
The marker of claim 3 wherein said spherical member has a color selected from white, yellow or orange.
Claim 6
Dependent Claim
15 words
The marker of claim 1 wherein said cap means is removably retained in said housing.
Claim 7
Dependent Claim
13 words
The marker of claim 1 wherein said resilient support means is a spring.
Claim 8
Dependent Claim
42 words
The marker of claim 1 wherein an angle formed by a cone having its apex at the center of said spherical member and its base at the line of intersection of said spherical member and said grade is less than about 150°.
Claim 9
Dependent Claim
12 words
The marker of claim 7 wherein said angle is less than 135°.
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) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |