US3585768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural posts and panel connectors including panel structure
Assignee: Individual
•
Filing: 1968-09-05
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Granted: 1971-06-22
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Expires: 1988-09-05
Abstract
Abstract An interlocking post-joint structure for forming rectangular metal posts adapted to function alone or to support one, two, three, or four panels of a wall in planar or right angle positions, and which posts, for all of the aforesaid arrangements, have four interlocking sides formed from combinations of extrusion strips of different or identical outer cross-sectional contours but internally having identical interlocking means integral therewith, adapted to interlock against separation in directions normal to the respective sides of each post when held in assembled relation.
Inventors
- 👤 Louis H Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:56
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/0004; F16B5/008; E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6166; E04B1/6175; E04B1/6179; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62; E04B2/74; E04B2/76; E04B2/78; E04B2/7809; E04B2/7818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
335 words
A hollow, structural post comprising: a. four, equal width, elongated, parallel extrusion strips of rigid material having planar outer surfaces in adjacent pairs in engage ment with each each other along one of the longitudinally extending edges of the strips of each adjacent pair and disposed at right angles to each other providing a square cross-sectional contour having four corners respectively at the engaging edges of the adjacent pairs of strips, b. a pair of corresponding interlocking means respectively formed in the strips of each adjacent pair at the inner side of said post at each of said corners, one of the interlocking means of each adjacent pair comprising a recess formed along one longitudinally extending edge of one strip of each adjacent pair extending the full length of said one strip, having a curvilinear concave, substantially semicylindrical wall-surface and an open side facing toward the other strip at each corner at an angle of approximately 45* relative to the strip in which the recess is formed, and the other interlocking means of each adjacent pair of strips comprising a projection on the other longitudinally extending edge of each strip having a convex cross-sectional contour complementary to the recess formed in said one edge and removably seated within said recess, c. positioning means respectively formed on and integral with the strips of said adjacent pairs at each of said corners in separable engagement at each corner for positioning said strips at right angles to each other when said projections are seated within said recesses, d. said projections being positioned within said recesses through the open sides of the latter, and the wall surfaces of said recesses extending around said projections when said projections are seated within said recesses a sufficient distance to hold said strips locked together at each corner against movement outwardly of said post when any opposed pair of said strips are held in parallel opposed planes against movement out of right angle relation to either of the other strips of said post.
Claim 2
Dependent Claim
335 words
A hollow, structural post comprising: a. four, equal width, elongated, parallel extrusion strips of rigid material having planar outer surfaces in adjacent pairs in engage ment with each each other along one of the longitudinally extending edges of the strips of each adjacent pair and disposed at right angles to each other providing a square cross-sectional contour having four corners respectively at the engaging edges of the adjacent pairs of strips, b. a pair of corresponding interlocking means respectively formed in the strips of each adjacent pair at the inner side of said post at each of said corners, one of the interlocking means of each adjacent pair comprising a recess formed along one longitudinally extending edge of one strip of each adjacent pair extending the full length of said one strip, having a curvilinear concave, substantially semicylindrical wall-surface and an open side facing toward the other strip at each corner at an angle of approximately 45* relative to the strip in which the recess is formed, and the other interlocking means of each adjacent pair of strips comprising a projection on the other longitudinally extending edge of each strip having a convex cross-sectional contour complementary to the recess formed in said one edge and removably seated within said recess, c. positioning means respectively formed on and integral with the strips of said adjacent pairs at each of said corners in separable engagement at each corner for positioning said strips at right angles to each other when said projections are seated within said recesses, d. said projections being positioned within said recesses through the open sides of the latter, and the wall surfaces of said recesses extending around said projections when said projections are seated within said recesses a sufficient distance to hold said strips locked together at each corner against movement outwardly of said post when any opposed pair of said strips are held in parallel opposed planes against movement out of right angle relation to either of the other strips of said post.
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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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |