US4498660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular fence structure
Assignee: Union Carbide Canada Ltd
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Filing: 1983-11-28
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Granted: 1985-02-12
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Expires: 2003-11-28
Abstract
Abstract A fence structure is described consisting of modular panels mounted on posts. The modular panels are of thermoplastic or thermoset material having a rail portion and a connector at each end for fitting over the posts. The connector has an integral expansion joint in its central passage and each connector is offset in opposite directions to the longitudinal center of the panel to provide a hinged effect with the connectors of adjacent panels in the fence. The construction is readily adaptable to sloping ground and variation in height between panels and provides simplified installation by easy alignment.
Inventors
- 👤 Robert J. Brema
- 👤 Gerald J. Adamson
- 👤 Philip L. Poissant
- 👤 John H. Cleminson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:16
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/1404
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
226 words
A fence comprising a first, a second and a third post aligned in parallel and having at least two modular panels mounted between each of said posts; each said modular panel comprising a rail section, a first connector member at one end of said rail section and a second connector member at the opposite end of said rail section, each of said connector members positioned offset from the longitudinal axis of said panel on opposite sides of said axis from each other and having a central passage for passing a length of one of said posts therethrough and including an expansion joint within said central passage for gripping said post; said rail section including a central louvered portion angled with respect to the connector members and a lip portion extending along the end of said louvered portion; said modular panels being so mounted on said posts that the central louvered portion of one modular panel is angled in opposite direction to the louvered portion of the adjacent modular panel so that a lip portion of one panel abuts the lip portion of the adjacent panel and the first connector member of the modular panel between the second and third post is positioned below the second connector member of the modular panel mounted between the first and second posts to provide an interconnecting of said modular panels.
Claim 2
Dependent Claim
226 words
A fence comprising a first, a second and a third post aligned in parallel and having at least two modular panels mounted between each of said posts; each said modular panel comprising a rail section, a first connector member at one end of said rail section and a second connector member at the opposite end of said rail section, each of said connector members positioned offset from the longitudinal axis of said panel on opposite sides of said axis from each other and having a central passage for passing a length of one of said posts therethrough and including an expansion joint within said central passage for gripping said post; said rail section including a central louvered portion angled with respect to the connector members and a lip portion extending along the end of said louvered portion; said modular panels being so mounted on said posts that the central louvered portion of one modular panel is angled in opposite direction to the louvered portion of the adjacent modular panel so that a lip portion of one panel abuts the lip portion of the adjacent panel and the first connector member of the modular panel between the second and third post is positioned below the second connector member of the modular panel mounted between the first and second posts to provide an interconnecting of said modular panels.
Claim 3
Dependent Claim
30 words
A fence as claimed in claim 1 wherein said modular panel is of thermoplastic material selected from the group consisting of polypropylene, polyvinyl chloride, high-density polyethylene, polystyrene and acrylonitrile-butadiene-styrene polymer.
Claim 4
Dependent Claim
25 words
A fence as claimed in claim 1 wherein said modular panel is of thermoset material selected from the group consisting of polyurethane, polyesters and phenolics.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-12 | 1988-08-13 | 1989-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-12 | 1992-08-13 | 1993-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-12 | 1996-08-13 | 1997-02-12 | $7700.00 | Window Closed / Lapsed |