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US3188773A Expired / Lapsed US ⏱️ 0.0 years remaining

Wall construction

Assignee: National Gypsum Co
•
Filing: 1960-08-24
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Granted: 1965-06-15
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Expires: 1980-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Schneller
  • 👤 David A Harris
  • 👤 Rodney G Buergin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:57
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/72; E04B2/723; E04B2/84; E04B2/842; E04B2002/725; E04B2/74; E04B2002/7461; E04B2002/7475

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 359 words
A WALL STRUCTURE COMPRISING A PLURALITY OF HORIZONTALLY ALIGNED, VERTICLLY DISPOSED, ELONGATE, OPEN-ENDED UNITARY HOLLOW WALL SUPPORTING CORE STRUCTURES, DISPOSED CENTRALLY ALONG THE EXTENT OF SAID WALL STRUCTURE, SAID HOLLOW WALL SUPPORTING CORE STRUCTURES CONSISTING OF FOUR PARALLEL, RECTANGULAR, ELONGATE SECTIONS OF FLAT GYPSUM BOARD, EACH HAVING TWO PARALLEL, ELONGATE SIDE EDGES, PAPER LINER BONDED TO THE GYPSUM CORE ON EACH OF THE TWO OPPOSED FACES OF EACH SECTION FORMING ON EACH SECTION AN INNER FACE LINER AND AN OUTER FACE LINER, EXPOSED GYPSUM CORE ON BOTH THE ELONGATE SIDE EDGES OF TWO SECTIONS AND ON AT LEAST ONE SIDE EDGE OF EACH OF THE OTHER TWO SECTIONS, THE SAID FOUR SECTIONS BEING ADJOINED ALONG THE ELONGATE SIDE EDGES TO FORM A UNITARY HOLLOW TUBE FOLDABLE TO AN OPEN RECTANGULAR CROSS SECTION WITH SAID INNER SURFACE PAPER LINER ON THE FOUR SECTIONS FORMING THE INNER SURFACE OF SAID TUBE, THE SIDE EDGES OF SAID INNER FACE PAPER LINERS OF EACH SECTION EACH ADJOINED TO AN ADJACENT SECTION INNER FACE PAPER LINER SIDE EDGE, THE REMAINING TO ELONGATE SIDE EDGES OF SAID OTHER TWO SECTIONS BEING ADJACENT ONE ANOTHER AND ADJOINED SOLELY BY AN ELONGATE FLEXIBLE SHEET MATERIAL AFFIXED TO THE EDGE PORTIONS AND SPANNING INNER FACE LINERS OF SAID OTHER TWO SECTIONS AND SPANNING THE JUNCTION THEREBETWEEN, THE SAID SECTION SIDE EDGES HAVSUBSTANTIALLY SOLELY BY MEANS OF SAID INNER FACE LINER ON SAID SECTIONS BEING A SINGLE CONTINUOUS PAPER COMMON TO ALL SAID FOUR SECTIONS AND FORMING FLEXIBLE JOINTS THEREBETWEEN, SAID GYPSUM CORE OF EACH SECTION HAVING A SUBSTANTIALLY UNIFORM THICKNESS THROUGH THE EXTENT OF EACH SECTION TO PROVIDE UNIFORM RIGIDITY AND STRENGTH THROUGHOUT EACH SECTION AND THE MAXIMUM ABILITY OF EACH SECTION TO TRANSFER STRESSES TO AND ROM ADJACENT SECTIONS, SAID WALL CORE STRUCTURES BEING RIGIDLY AFFIXED AT THE BOTTOM AND TOP EDGES THEREOF TO A BUILDING STRUCTURE, SAID WALL CORE STRUCTURE BEING SELF-SUPPORTING INTERMEDIATE OF SAID BOTTOM AND TOP EDXGES AND PROVIDING THE SOLE SUPPORTING MEANS OF SAID WALL STRUCTURE, AND WALL SURFACE MATERIAL DISPOSED ON THE FACES OF SAID WALL CORE STRUCTURE AND ADJOINING SAID PLURALITY OF WALL SUPPORTING CORE STRUCTURES INTO A UNITARY WALL STRUCTURE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

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