US3720401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic fence post
Assignee: Individual
•
Filing: 1970-12-29
•
Granted: 1973-03-13
•
Expires: 1990-12-29
Abstract
Abstract A hollow plastic fence post has a detachable steel driving cap and a detachable decorative cap used after driving. Corrugations around the lower end prevent displacement of the post after driving and apertures through the walls permit attachment of wire or wood straps to which fence rails may be nailed.
Inventors
- 👤 A Loch
- 👤 G Loch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:03
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
The combination of a fence post comprising a vertically elongated hollow body having an open upper end and a pointed lower end portion adapted for insertion in the ground, said body being formed from plastic material and being provided with a vertical row of circular apertures communicating with the hollow interior of the body, a plastic closure cap removably positioned on and closing the open upper end of said body, a fence wire, and a fastener for attaching said fence wire to said post body, said fastener comprising a head portion provided with a transverse bore having said fence wire extending therethrough, a bifurcated cylindrical stem portion integral with said head portion defining a pair of legs which are normally spaced apart but are resiliently compressible toward each other, and outturned enlargements provided at the free ends of said legs, compression of said legs toward each other permitting said enlargements to pass through one of said apertures in the post body and said bifurcated cylindrical stem portion to be retained in the circular aperture by engagement of the enlargements with the interior surface of the fence body when said legs are expanded by their inherent resiliency to their normally spaced apart position.
Claim 2
Dependent Claim
202 words
The combination of a fence post comprising a vertically elongated hollow body having an open upper end and a pointed lower end portion adapted for insertion in the ground, said body being formed from plastic material and being provided with a vertical row of circular apertures communicating with the hollow interior of the body, a plastic closure cap removably positioned on and closing the open upper end of said body, a fence wire, and a fastener for attaching said fence wire to said post body, said fastener comprising a head portion provided with a transverse bore having said fence wire extending therethrough, a bifurcated cylindrical stem portion integral with said head portion defining a pair of legs which are normally spaced apart but are resiliently compressible toward each other, and outturned enlargements provided at the free ends of said legs, compression of said legs toward each other permitting said enlargements to pass through one of said apertures in the post body and said bifurcated cylindrical stem portion to be retained in the circular aperture by engagement of the enlargements with the interior surface of the fence body when said legs are expanded by their inherent resiliency to their normally spaced apart position.
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |