US4190376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device for a safety fence beam
Assignee: Individual
•
Filing: 1978-05-05
•
Granted: 1980-02-26
•
Expires: 1998-05-05
Abstract
Abstract Apparatus is disclosed for attachment of a safety fence of the type used for safe deflection of vehicle from leaving a roadway, wherein the apparatus is connected between a post anchored in earth and a safety fence beam. The apparatus includes corrugations for supporting the beam in fixed and unbending relationship and to prevent sagging of the fence structure upon the impact of a vehicle.
Inventors
- 👤 Hans Urlberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:51
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/04; E01F15/0407; E01F15/0438; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1616; Y10T403/1624
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
63 words
In a fastening device for attaching a safety fence beam to a post wherein the fastening device is positioned intermediate the beam and post and includes transverse surfaces respectively attachable to the beam and post, the improvement comprising at least one corrugation in the surface attachable to said beam, said corrugation having a raised edge in aligning and supporting relation to said beam.
Claim 2
Dependent Claim
63 words
In a fastening device for attaching a safety fence beam to a post wherein the fastening device is positioned intermediate the beam and post and includes transverse surfaces respectively attachable to the beam and post, the improvement comprising at least one corrugation in the surface attachable to said beam, said corrugation having a raised edge in aligning and supporting relation to said beam.
Claim 3
Dependent Claim
52 words
The improvement of claim 1, further comprising a second corrugation in the surface attachable to said beam, said second corrugation having a raised edge in parallel with said first corrugation raised edge and in aligning and supporting relation to said beam, said beam being attachable to said surface between said raised edges.
Claim 4
Dependent Claim
22 words
The improvement of claim 2 wherein said first and second corrugations have respective additional non-parallel raised edges spaced away from said beam.
Claim 5
Dependent Claim
29 words
The improvement of claim 3, further comprising additional corrugations in the surface attachable to said post, said additional corrugations respectively forming transverse extensions of said first and second corrugations.
Claim 6
Dependent Claim
26 words
The improvement of claim 4, wherein each of said additional corrugations respectively comprise non-parallel raised edges in the surface facing away from said post attachment surface.
Claim 7
Dependent Claim
22 words
The improvement of claim 5, wherein each of said additional corrugations respectively form a continuous extension of said first and second corrugations.
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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) | 1983-02-25 | 1983-08-27 | 1984-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-25 | 1987-08-27 | 1988-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-25 | 1991-08-27 | 1992-02-26 | $7700.00 | Window Closed / Lapsed |