Patent DE722529C successfully refreshed from Google Patents.
Patent US4638615A successfully refreshed from Google Patents.
US4638615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic structural member particularly for support of walls and floors of buildings
Assignee: Individual
•
Filing: 1985-10-17
•
Granted: 1987-01-27
•
Expires: 2005-10-17
Abstract
Abstract A structural metallic member particularly useful for framing interior and exterior walls, ceilings and floors of building structures consists of a hollow generally quadrangular in transverse cross-section stud consisting of at least three walls being provided with at least a pair of parallel, spaced, longitudinal rows of longitudinally spaced slits with abutting force. Each of the end walls of the three walls being provided with at least a row of longitudinally spaced slits spaced about 1/3 the width of the end walls adjacent the corner joined with the middle wall. In a form of studs where there are four contiguous walls, the slits are provided in the pair of opposed walls that will connect the inside and outside walls of the structure. The end wall would be provided with a pair of rows of slits adjacent each corner.
Inventors
- 👤 Lawrence H. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:05
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/07; E04B; E04B2/00; E04B2/56; E04B2/58; E04C3/30; E04C3/32; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/043; E04C2003/0434; E04C2003/0443; E04C2003/0465; E04C2003/0473
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
161 words
A structural metallic member particularly useful for forming interior and exterior wall, floor and ceiling support means of building structures consisting of a hollow, generally quadrangular in transverse crossection stud consisting of at least three contiguous walls comprising a pair of end walls and middle wall connecting the pair of end walls at a pair of corners, each of said walls having lengths and widths such as to form the structural member, the middle of the at least three walls being provided with a multiplicity of parallel, spaced, longitudinal rows of longitudinally spaced slits and each of the pair of end walls of the three walls being provided with a row of longitudinally spaced slits spaced about 1/3 the width of the end walls adjacent the corner contiguous with the middle wall said slits having a width of about 15,000 ths. of an inch to thereby reduce transmission of heat and sound there across and prevent convection of air currents therethrough.
Claim 2
Dependent Claim
161 words
A structural metallic member particularly useful for forming interior and exterior wall, floor and ceiling support means of building structures consisting of a hollow, generally quadrangular in transverse crossection stud consisting of at least three contiguous walls comprising a pair of end walls and middle wall connecting the pair of end walls at a pair of corners, each of said walls having lengths and widths such as to form the structural member, the middle of the at least three walls being provided with a multiplicity of parallel, spaced, longitudinal rows of longitudinally spaced slits and each of the pair of end walls of the three walls being provided with a row of longitudinally spaced slits spaced about 1/3 the width of the end walls adjacent the corner contiguous with the middle wall said slits having a width of about 15,000 ths. of an inch to thereby reduce transmission of heat and sound there across and prevent convection of air currents therethrough.
Claim 3
Dependent Claim
14 words
The invention defined in claim 1, wherein the stud is configured as a C-beam.
Claim 4
Dependent Claim
15 words
The invention defined in claim 1, wherein the stud is configured as a box beam.
Claim 5
Dependent Claim
20 words
The invention defined in claim 3, wherein the stud is initially configured as a sheet of metal and thereafter folded.
Claim 6
Dependent Claim
30 words
The invention defined in claim 1 wherein the device is formed from a sheet of metal and then folded into a quadrangular configuration and fastened along the mating edges thereof.
References Cited (Backward Citations)
CA625693A
Cited
US3129792A
Cited
US3270472A
Cited
US3282005A
Cited
GB1056897A
Cited
US3956998A
Cited
US4506481A
Cited
US4513551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-26 | 1990-07-28 | 1991-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-26 | 1994-07-28 | 1995-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-26 | 1998-07-28 | 1999-01-27 | $7700.00 | Window Closed / Lapsed |