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US4189252A Expired / Lapsed US ⏱️ 0.0 years remaining

Undersea platform construction system

Assignee: CYGNUS X 5 CO Inc
•
Filing: 1978-09-01
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Granted: 1980-02-19
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Expires: 1998-09-01
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Abstract

Abstract An improved structure adapted for undersea construction is described comprising a plurality of foundation blocks, each foundation block comprising a rectahedral parallelepiped opposite faces of which are concave and convex, respectively, the opposite faces being sized and shaped to interengage matingly, such foundation blocks being interfitted into a three-dimensional array; a plurality of base pad units supporting said foundation blocks, each base pad unit comprising a rectahedral parallelepiped one face of which is convex, the opposite face of which has a plurality of protruding lugs, and the intermediate faces of which have T-shaped slots extending the length of each side, such base pad units being interfitted into a two-dimensional array by means of I-shaped keys which fit into adjacent T-shaped slots; a plurality of leg blocks supporting said base pad units, each of said leg blocks comprising a rectangular parallelepiped one face of which is convex, the opposite face of which is concave, the opposite faces being sized and shaped to interengage matingly, and the intermediate faces of which have T-shaped slots in each side, such plurality of leg blocks being interfitted into a three-dimensional array by means of the mating concave-convex faces in one direction and by means of T-shaped key assemblies which fit into adjacent T-shaped slots in the other two directions, some of said leg blocks interengaging matingly with some of said foundation blocks by means of interengaging, mating convex and concave faces. The key assemblies comprise four T-shaped keys symmetrically mounted on a planar base. The heads of said T-shaped keys extend perpendicularly to the plane of said planar base and fit into T-shaped slots in adjacent leg blocks. Specific structures of each of the components are also described.

Inventors

  • 👤 Calvin R. Inman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 02:36
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02D; E02D27/00; E02D27/32; E02D27/52

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 288 words
An undersea platform construction comprising: (a) a plurality of foundation blocks, each of said foundation blocks comprising a rectahedral parallelepiped opposite faces of which are concave and convex, respectively, the opposite faces being sized and shaped to interengage matingly, said foundation blocks being interfitted into a three-dimensional array; (b) a plurality of base pad units supporting said foundation blocks, each of said base pad units comprising a rectahedral parallelepiped one face of which is convex, the opposite face of which has a plurality of protruding lugs, and the intermediate faces of which have T-shaped slots extending the length of each side, said base pad units being interfitted into a two-dimensional array by means of I-shaped keys which fit into adjacent T-shaped slots; (c) a plurality of leg blocks supporting said base pad units, each of said leg blocks comprising a rectangular parallelepiped one face of which is convex, the opposite face of which is concave, the opposite faces being sized and shaped to interengage matingly, and the intermediate faces of which have T-shaped slots in each side, said plurality of leg blocks being interfitted into a three-dimensional array by means of the mating concave-convex faces in one direction and by means of T-shaped key assemblies to be recited which fit into adjacent T-shaped slots in the other two directions, some of said base pad units interengaging matingly with some of said foundation blocks by means of interengaging, mating convex and concave faces; and (d) a plurality of key assemblies, each of said key assemblies comprising four T-shaped keys symetrically mounted on a planar base, the heads of said T-shaped keys extending perpendicularly to the plane of said planar base and fitting into T-shaped slots in adjacent leg blocks.
Claim 2
Dependent Claim 288 words
An undersea platform construction comprising: (a) a plurality of foundation blocks, each of said foundation blocks comprising a rectahedral parallelepiped opposite faces of which are concave and convex, respectively, the opposite faces being sized and shaped to interengage matingly, said foundation blocks being interfitted into a three-dimensional array; (b) a plurality of base pad units supporting said foundation blocks, each of said base pad units comprising a rectahedral parallelepiped one face of which is convex, the opposite face of which has a plurality of protruding lugs, and the intermediate faces of which have T-shaped slots extending the length of each side, said base pad units being interfitted into a two-dimensional array by means of I-shaped keys which fit into adjacent T-shaped slots; (c) a plurality of leg blocks supporting said base pad units, each of said leg blocks comprising a rectangular parallelepiped one face of which is convex, the opposite face of which is concave, the opposite faces being sized and shaped to interengage matingly, and the intermediate faces of which have T-shaped slots in each side, said plurality of leg blocks being interfitted into a three-dimensional array by means of the mating concave-convex faces in one direction and by means of T-shaped key assemblies to be recited which fit into adjacent T-shaped slots in the other two directions, some of said base pad units interengaging matingly with some of said foundation blocks by means of interengaging, mating convex and concave faces; and (d) a plurality of key assemblies, each of said key assemblies comprising four T-shaped keys symetrically mounted on a planar base, the heads of said T-shaped keys extending perpendicularly to the plane of said planar base and fitting into T-shaped slots in adjacent leg blocks.
Claim 3
Dependent Claim 23 words
The platform construction as recited in claim 1 wherein the T-shaped slots of the leg block extend the length of each intermediate side.
Claim 4
Dependent Claim 29 words
The platform construction as recited in claim 1 wherein the T-shaped slots of the leg block are centrally positioned and do not extend the length of each intermediate side.

References Cited (Backward Citations)

US1552077A Cited
US1704941A Cited
US1749303A Cited
US1824990A Cited
US2786301A Cited
US3210944A Cited
US3435576A Cited
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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) 1983-02-18 1983-08-20 1984-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-02-18 1987-08-20 1988-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-02-18 1991-08-20 1992-02-19 $7700.00 Window Closed / Lapsed

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