US5497595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reinforcing wood beams and wood beams made therefrom
Assignee: Individual
•
Filing: 1994-08-18
•
Granted: 1996-03-12
•
Expires: 2014-08-18
Abstract
Abstract A reinforced wood beam has a length and a longitudinally extending upper and lower surface. The upper and lower surfaces have a plurality of reinforcements. Each reinforcement comprises a steel strip bonded within a longitudinally extending kerf. The upper and lower surfaces each has at least two kerfs extending therealong and terminate intermediate of ends of the wood beam.
Inventors
- 👤 Daniel Kalinin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:50
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/18
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
51 words
A reinforced wood beam having a longitudinally extending upper and a lower surface, said upper and lower surfaces having a plurality of reinforcements bonded therein, said reinforcements each comprising a steel strip bonded within a longitudinally extending kerf, said reinforcements spaced from a midpoint of a width of said wood beam.
Claim 2
Dependent Claim
51 words
A reinforced wood beam having a longitudinally extending upper and a lower surface, said upper and lower surfaces having a plurality of reinforcements bonded therein, said reinforcements each comprising a steel strip bonded within a longitudinally extending kerf, said reinforcements spaced from a midpoint of a width of said wood beam.
Claim 3
Dependent Claim
24 words
A reinforced beam as claimed in claim 1 wherein said upper and lower surfaces each has at least two of said kerfs extending therealong.
Claim 4
Dependent Claim
19 words
A reinforced beam as claimed in claim 2 wherein said kerfs terminate intermediate of ends of said wood beam.
Claim 5
Dependent Claim
20 words
A reinforced beam as claimed in claim 3 wherein said kerfs are staggered along the length of said wood beam.
Claim 6
Dependent Claim
20 words
A reinforced beam as claimed in claim 1 wherein said steel strip is bonded with a two component epoxy resin.
Claim 7
Dependent Claim
38 words
A reinforced beam as claimed in claim 1 wherein each of said kerfs has a kerf width, and each of said kerf widths to the width of said surfaces is in a ratio of about 1 to 20.
Claim 8
Dependent Claim
18 words
A reinforced beam as claimed in claim 6 wherein said upper and lower surfaces each has two reinforcements.
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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) | 1999-03-12 | 1999-09-11 | 2000-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-12 | 2003-09-11 | 2004-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-12 | 2007-09-11 | 2008-03-12 | $7700.00 | Window Closed / Lapsed |