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US3834973A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for fabricating modular wall sections

Assignee: SA Storer & Sons Co us
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Filing: 1973-01-02
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Granted: 1974-09-10
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Expires: 1993-01-02
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Abstract

Abstract An apparatus and method for automatically fabricating modular sections of masonry type walls. The apparatus and method constitute improvements over those disclosed and claimed to Storer U.S. pat. No. 3,585,092 of June 15, 1971. The specific apparatus has means for feeding concrete blocks in selected sequence onto a lineally movable course shuttle and for applying head and bed mortar to the blocks of the course and to the course. Clamp and pressure mechanisms set the heat mortar to provide courses of uniform length, in sequence. Each course is then elevated as a unit against the underside of a previously assembled course. Means are provided to enable blocks of different wall thickness to be assembled and to assemble and set the joints of both half-bond and stackbond wall modules and to leave voids for windows and doors where desired. The method comprises a sequence of steps by which the courses are assembled, mortar is applied, the course is made uniform in length and then is elevated into contact with the underside of a previous course, thus building the wall section from the top down.

Inventors

  • 👤 J Kummerow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:25
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/041; E04C2/042; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1749; Y10T156/1751

Claims Analysis

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References Cited (Backward Citations)

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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) 1977-09-09 1978-03-11 1978-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-09 1982-03-11 1982-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-09 1986-03-11 1986-09-10 $7700.00 Window Closed / Lapsed

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