Patent US4685656A successfully refreshed from Google Patents.
US4685656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor racing track fence
Assignee: PAK-POY & KNEEBONE Pty Ltd A CORP OF SOUTH AUSTRALIA
•
Filing: 1986-07-07
•
Granted: 1987-08-11
•
Expires: 2006-07-07
Abstract
Abstract A motor racing track fence comprising a plurality of fence modules each of which has a concrete barrier the area of the base of which is sufficient for it to be freestanding on the ground, having an upstanding sleeve adjacent one end of each concrete barrier and abutting another concrete barrier, the sleeve supporting upstanding support means which lie at the ends of weldmesh sheets surmounting the concrete barriers.
Inventors
- 👤 Kevin J. Lee
- 👤 Noel C. Carty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:11
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/025; E04; E04H; E04H17/00; E04H17/14; E04H17/16
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
104 words
A motor racing track fence comprising a plurality of fence modules each said module comprising a concrete barrier, an upstanding sleeve adjacent one end of said barrier, a weldmesh panel assembly upstanding from an upper surface of said barrier, said panel comprising a weldmesh sheet and bars secured to respective side edges of the weldmesh sheet, a plurality of panel loops outstanding from said bars, and a plurality of panel pins having their lower ends engaging with respective said sleeves, each said pin extending through aligned said panel loops of a pair of adjacent said weldmesh panels thereby joining those said mesh panels end-to-end.
Claim 2
Dependent Claim
104 words
A motor racing track fence comprising a plurality of fence modules each said module comprising a concrete barrier, an upstanding sleeve adjacent one end of said barrier, a weldmesh panel assembly upstanding from an upper surface of said barrier, said panel comprising a weldmesh sheet and bars secured to respective side edges of the weldmesh sheet, a plurality of panel loops outstanding from said bars, and a plurality of panel pins having their lower ends engaging with respective said sleeves, each said pin extending through aligned said panel loops of a pair of adjacent said weldmesh panels thereby joining those said mesh panels end-to-end.
Claim 3
Dependent Claim
71 words
A motor racing track fence according to claim 1 wherein each said concrete barrier has a pair of grooves in respective ends, and a plurality of barrier loops at the locality of each end, and further comprising a plurality of barrier pins, each said barrier pin lying in adjacent said grooves and extending through aligned said barrier loops of a pair of adjacent said barriers thereby joining those said barriers end-to-end.
Claim 4
Dependent Claim
37 words
A motor racing track fence according to claim 2 wherein each said sleeve is upstanding from and co-axial with a respective said barrier pin, and also co-axial with the lower end of a respective said panel pin.
Claim 5
Dependent Claim
29 words
A motor racing track fence according to claim 2 or claim 3 wherein each said barrier has a base surface of sufficient area for said barriers to be free-standing.
Claim 6
Dependent Claim
23 words
A motor racing track fence according to claim 1 wherein said panel loops comprise looped ends of horizontal rods of said weldmesh sheet.
Claim 7
Dependent Claim
34 words
A motor racing track fence according to claim 5 wherein said panel loops further comprise secondary loops having ends welded to said bar-like stiffeners, said secondary loops being stiffer than said rod looped ends.
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) | 1990-08-10 | 1991-02-09 | 1991-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-10 | 1995-02-09 | 1995-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-10 | 1999-02-09 | 1999-08-11 | $7700.00 | Window Closed / Lapsed |