Patent US4279532A successfully refreshed from Google Patents.
US4279532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roadway nosing unit
Assignee: Acme Flooring Ltd
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Filing: 1979-06-29
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Granted: 1981-07-21
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Expires: 1999-06-29
Abstract
Abstract A nosing unit for supporting a flexible member in an expansion gap of a roadway, which nosing unit comprises a laminated wood base to be fixed in a rebate formed in the edge of a roadway section adjacent to the expansion gap, and a topping part detachably secured to the base and serving in use of the nosing unit to present part of a road surface adjacent a said expansion gap.
Inventors
- 👤 Henry Miller, deceased
- 👤 legal representative Desmond Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:40
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/06
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
71 words
A nosing unit for supporting a flexible seal member in an expansion gap of a roadway, which nosing unit comprises a laminated wood base to be fixed in a rebate formed in the edge of a roadway section adjacent to the expansion gap, and a topping part detachably secured to the base and serving in use of the nosing unit to present part of a road surface adjacent the expansion gap.
Claim 2
Dependent Claim
71 words
A nosing unit for supporting a flexible seal member in an expansion gap of a roadway, which nosing unit comprises a laminated wood base to be fixed in a rebate formed in the edge of a roadway section adjacent to the expansion gap, and a topping part detachably secured to the base and serving in use of the nosing unit to present part of a road surface adjacent the expansion gap.
Claim 3
Dependent Claim
18 words
A nosing unit as claimed in claim 1, in which the laminated wood of said base is plywood.
Claim 4
Dependent Claim
16 words
A nosing unit as claimed in claim 2, in which the plywood is W.B.P. birch plywood.
Claim 5
Dependent Claim
39 words
A nosing unit as claimed in claim 1, in which the base part has a plurality of captive nuts secured to it, and bolts serve to co-operate with the captive nuts to secure the topping part to the base.
Claim 6
Dependent Claim
18 words
A nosing unit as claimed in claim 1, in which the topping part is made of laminated wood.
Claim 7
Dependent Claim
21 words
A nosing unit as claimed in claim 5, in which the topping part is made of plywood, e.g., W.B.P. birch plywood.
Claim 8
Dependent Claim
32 words
A nosing unit as claimed in claim 1, in which the nosing unit has a profiled engagement surface shaped to mate with a profiled bearing surface of a said flexible seal member.
Claim 9
Dependent Claim
25 words
A nosing unit as claimed in claim 7, and having a bevelled edge interconnecting the engagement surface with an upper surface of the topping part.
Claim 10
Dependent Claim
28 words
A nosing unit as claimed in claim 1, in which the wooden base is provided with a ledge which forms a seat for a said flexible seal member.
Claim 11
Dependent Claim
60 words
An expansion joint comprising a pair of nosing units as claimed in claim 1, each said nosing unit being secured in a rebate in an edge of a respective one of two spaced-apart facing roadway sections whereby to define an expansion gap between said roadway sections, an elongate flexible sealing member being disposed between and supported by said nosing units.
Claim 12
Dependent Claim
56 words
An expansion joint as claimed in claim 10, in which screw threaded members are secured in bores made in the roadway material underlying the nosing units, these screw-threaded members projecting upwardly through bores in the bases of the nosing units, nuts being tightened onto the screwthreaded members to secure the bases to the underlying roadway material.
Claim 13
Dependent Claim
24 words
An expansion joint as claimed in claim 11, in which the nuts on the screwthreaded members lie in clearance holes in the topping parts.
Claim 14
Dependent Claim
29 words
An expansion joint as claimed in claim 10, in which the nosing units each have a vertical face abutting a vertical face of a rebate in a roadway section.
Claim 15
Dependent Claim
30 words
An expansion joint as claimed in claim 10, in which the nosing units each have a stepped face lying adjacent a vertical face of a rebate in a roadway section.
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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) | 1984-07-20 | 1985-01-19 | 1985-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-20 | 1989-01-19 | 1989-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-20 | 1993-01-19 | 1993-07-21 | $7700.00 | Window Closed / Lapsed |