US4354772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road post or reflector post
Assignee: Individual
•
Filing: 1980-05-22
•
Granted: 1982-10-19
•
Expires: 2000-05-22
Abstract
Abstract A road post or reflector formed of two identical disk shaped members each having a bottom wall, two longitudinal side walls and an end wall at at least one end. One side wall and half of the end wall having a projection and the other wall and other half of the endwall having a groove enabling the two members to be assembled by snap engagement.
Inventors
- 👤 Joannes H. Drexler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:29
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/631; E01F9/642; E01F9/604; E01F9/608
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
154 words
A post comprising an elongate hollow body formed of a pair of identical dish shaped members symmetrical with respect to a plane of symmetry passing through a central longitudinal axis, each of said members having an integrally formed bottom wall, a pair of upstanding longitudinal side walls and an end wall at at least one end, the edge of one of said side walls and said at least one end wall on one side of said plane of symmetry being formed with a blade like projection and the edge of the other side wall and the remaining edge of said at least one end wall being formed with a conforming groove receiving said projection each of said members being provided with a longitudinally extending web closely adjacent and parallel to each of said side walls, said webs extending upstanding from the bottom wall to a height such that the edges thereof are in contact.
Claim 2
Dependent Claim
154 words
A post comprising an elongate hollow body formed of a pair of identical dish shaped members symmetrical with respect to a plane of symmetry passing through a central longitudinal axis, each of said members having an integrally formed bottom wall, a pair of upstanding longitudinal side walls and an end wall at at least one end, the edge of one of said side walls and said at least one end wall on one side of said plane of symmetry being formed with a blade like projection and the edge of the other side wall and the remaining edge of said at least one end wall being formed with a conforming groove receiving said projection each of said members being provided with a longitudinally extending web closely adjacent and parallel to each of said side walls, said webs extending upstanding from the bottom wall to a height such that the edges thereof are in contact.
Claim 3
Dependent Claim
14 words
The post according to claim 1 wherein the contacting web members are welded together.
Claim 4
Dependent Claim
28 words
The post according to claim 1, wherein each member of said pair of dish shaped members is provided with longitudinal and transversely directed ridges for strengthening said member.
Claim 5
Dependent Claim
37 words
The post according to claim 3 including strengthening ridges associated with said at least one end wall extending continuously from a small height adjacent said bottom and side walls to a larger height adjacent said end wall.
Claim 6
Dependent Claim
45 words
The post according to claims 1, 2, 3 or 4 wherein the end of said members of said pair of dish shaped members remote from said at least one end wall is free of an end wall and said assembled pair of members is open.
Claim 7
Dependent Claim
40 words
The post according to claims 1, 2, 3 or 4, wherein the end of each of said members of said pair of dish shaped members remote from said at least one end is shaped and terminates in a sharp point.
Claim 8
Dependent Claim
34 words
The post according to claim 6, wherein said shaped end is substantially in the form of a saw-tooth whereby on assembling of said pair of dish shaped members a Christmastree foot base is provided.
References Cited (Backward Citations)
CA748595A
Cited
US1824578A
Cited
US2754064A
Cited
DE1534502A1
Cited
GB1103370A
Cited
US3502007A
Cited
US3802135A
Cited
US3631789A
Cited
US3989396A
Cited
DE2353941A1
Cited
US3927698A
Cited
US3999353A
Cited
US4249357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-18 | 1986-04-19 | 1986-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-18 | 1990-04-19 | 1990-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-18 | 1994-04-19 | 1994-10-19 | $7700.00 | Window Closed / Lapsed |