US3983668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flooring member
Assignee: NU PLEX CORP A CA CORP
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Filing: 1975-02-10
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Granted: 1976-10-05
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Expires: 1995-02-10
Abstract
Abstract A flooring member for use in constructing a floor surface comprising an elongated structural member having at least one, relatively flat, vertically-extending support portion enabling said flooring member to withstand relatively heavy loads without substantial bending, said flooring member consisting essentially of glass fiber reinforcements and a suitable polyester. Preferably the member is constructed by pultrusion and includes a top portion having a substantially flat upper surface suitable for forming the floor surface, the support portion being integrally connected to the bottom of the top portion.
Inventors
- 👤 Ken Hassman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/52; B29C70/525; B29C70/528; A; A01; A01K; A01K1/00; A01K1/015; A01K1/0151; A01K31/00; A01K31/002; A01K31/007; E; E04; E04C; E04C3/00; E04C3/02; E04C3/28
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
113 words
A flooring member for use in constructing a floor surface comprising an elongated, substantially rigid structural member having a flat horizontal top portion having a substantially flat upper surface suitable for forming a portion of said floor surface, said top portion having two longitudinal edges which project in free fashion and are supported only by said top portion, and a relatively flat, vertically-extending support portion enabling said flooring member to withstand relatively heavy loads without undue bending, said flooring member being constructed by pultrusion and consisting essentially of glass fiber reinforcements and suitable polyesters and said support portion being formed integrally with said top portion and located inwardly from said two longitudinal edges.
Claim 2
Dependent Claim
113 words
A flooring member for use in constructing a floor surface comprising an elongated, substantially rigid structural member having a flat horizontal top portion having a substantially flat upper surface suitable for forming a portion of said floor surface, said top portion having two longitudinal edges which project in free fashion and are supported only by said top portion, and a relatively flat, vertically-extending support portion enabling said flooring member to withstand relatively heavy loads without undue bending, said flooring member being constructed by pultrusion and consisting essentially of glass fiber reinforcements and suitable polyesters and said support portion being formed integrally with said top portion and located inwardly from said two longitudinal edges.
Claim 3
Dependent Claim
28 words
A flooring member according to claim 1 wherein said flooring member has at least one ridge formed on said upper surface to make said upper surface less slippery.
Claim 4
Dependent Claim
23 words
A flooring member according to claim 1 wherein there is only one support portion extending centrally along the length of said top portion.
Claim 5
Dependent Claim
36 words
A flooring member according to claim 1 wherein there is two, spaced-apart support portions with each being located inwardly from a longitudinal edge of said top portion and extending along the length of the flooring member.
References Cited (Backward Citations)
US3213570A
Cited
US3335429A
Cited
US3438312A
Cited
US3583117A
Cited
US3846945A
Cited
US3895896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-05 | 1980-04-05 | 1980-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-05 | 1984-04-05 | 1984-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-05 | 1988-04-05 | 1988-10-05 | $7700.00 | Window Closed / Lapsed |