US5625997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite beam
Assignee: Metwood Inc
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Filing: 1995-04-03
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Granted: 1997-05-06
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Expires: 2015-04-03
Abstract
Abstract A composite beam including an elongated metal shell and a pierceable insert contained within at least one end of the elongated metal shell.
Inventors
- 👤 Robert M. Callahan
- 👤 Ronald B. Shiflett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:30
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/766; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/292; E04B2002/7488
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
124 words
A composite beam, comprising: an elongated shell having a C-shaped cross section, said elongated shell including: an intermediate wall; a pair of side walls integral with said intermediate wall and extending at right angles therefrom; a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall; and, the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated shell; a pierceable insert contained within each end of said elongated shell; and, an L-shaped bracket contained within each end of said elongated shell serving as an abutment for one said pierceable insert.
Claim 2
Dependent Claim
124 words
A composite beam, comprising: an elongated shell having a C-shaped cross section, said elongated shell including: an intermediate wall; a pair of side walls integral with said intermediate wall and extending at right angles therefrom; a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall; and, the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated shell; a pierceable insert contained within each end of said elongated shell; and, an L-shaped bracket contained within each end of said elongated shell serving as an abutment for one said pierceable insert.
Claim 3
Dependent Claim
55 words
The composite beam according to claim 1 wherein each said L-shaped bracket includes a longitudinal plate secured to at least one of said pair of flanges and a lateral plate integral with said longitudinal plate and extending at a right angle therefrom thereby prevent longitudinal movement of each said pierceable insert in said elongated shell.
Claim 4
Dependent Claim
24 words
The composite beam according to claim 2 wherein the free end of each said lateral plate abuts said intermediate wall of said elongated shell.
Claim 5
Dependent Claim
23 words
The composite beam according to claim 2 wherein each said longitudinal plate has a length shorter than that of each said pierceable insert.
Claim 6
Dependent Claim
22 words
The composite beam according to claim 2 wherein each said longitudinal plate includes a tab extending therefrom into each said pierceable insert.
Claim 7
Dependent Claim
127 words
A composite beam, comprising: an elongated metal shell having a C-shaped cross section, said elongated metal shell including: an intermediate wall; a pair of side walls integral with said intermediate wall and extending at right angles therefrom; a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall; and, the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated metal shell; a pierceable insert contained within at least one end of said elongated metal shell; and, an L-shaped bracket contained within said elongated metal shell serving as an abutment for said pierceable insert.
Claim 8
Dependent Claim
127 words
A composite beam, comprising: an elongated metal shell having a C-shaped cross section, said elongated metal shell including: an intermediate wall; a pair of side walls integral with said intermediate wall and extending at right angles therefrom; a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall; and, the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated metal shell; a pierceable insert contained within at least one end of said elongated metal shell; and, an L-shaped bracket contained within said elongated metal shell serving as an abutment for said pierceable insert.
Claim 9
Dependent Claim
20 words
The composite beam according to claim 6 wherein said L-shaped bracket includes a tab extending therefrom into said pierceable insert.
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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) | 2000-05-05 | 2000-11-04 | 2001-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-05 | 2004-11-04 | 2005-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-05 | 2008-11-04 | 2009-05-06 | $7700.00 | Window Closed / Lapsed |