Patent US4516756A successfully refreshed from Google Patents.
US4516756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic sheath for fencing
Assignee: Individual
•
Filing: 1983-06-13
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Granted: 1985-05-14
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Expires: 2003-06-13
Abstract
Abstract A finished hollow synthetic plastic fence element in the form of a sheath whose internal dimensions are congruent with the external dimensions of an unfinished fence core element, whereby the sheath can be slipped over the core element.
Inventors
- 👤 Gary L. Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:26
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/006
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
90 words
A hollow fence element for use in combination with a wood core picket fence element and comprising a hollow plastic rigid tubular sheath having a length co-extensive with the length of the fence element, having a closed tapered end congruent with the pointed end of the picket and an open end, and having interior dimensions which are congruent with the exterior dimensions of the core element such that the sheath can be slipped over the pointed end of the core element and surround the exterior surface of the core element.
Claim 2
Dependent Claim
90 words
A hollow fence element for use in combination with a wood core picket fence element and comprising a hollow plastic rigid tubular sheath having a length co-extensive with the length of the fence element, having a closed tapered end congruent with the pointed end of the picket and an open end, and having interior dimensions which are congruent with the exterior dimensions of the core element such that the sheath can be slipped over the pointed end of the core element and surround the exterior surface of the core element.
Claim 3
Dependent Claim
24 words
The fence element defined in claim 1 wherein said sheath is of molded synthetic plastic having color pigment molded in the exterior surface thereof.
Claim 4
Dependent Claim
65 words
In combination, an unfinished wood core picket fence element, and a finished hollow synthetic plastic rigid tubular sheath fitted over said core element, having a length co-extensive with that of the fence element, having a closed tapered end congruent with the pointed end of the picket and an open end, and having internal dimensions which are congruent with the external dimensions of said core element.
Claim 5
Dependent Claim
65 words
In combination, an unfinished wood core picket fence element, and a finished hollow synthetic plastic rigid tubular sheath fitted over said core element, having a length co-extensive with that of the fence element, having a closed tapered end congruent with the pointed end of the picket and an open end, and having internal dimensions which are congruent with the external dimensions of said core element.
Claim 6
Dependent Claim
17 words
The combination of claim 3 wherein said sheath has color pigment molded in the exterior surface thereof.
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) | 1988-05-13 | 1988-11-12 | 1989-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-13 | 1992-11-12 | 1993-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-13 | 1996-11-12 | 1997-05-14 | $7700.00 | Window Closed / Lapsed |