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US3609929A Expired / Lapsed US ⏱️ 0.0 years remaining

Prefabricated building

Assignee: Individual
•
Filing: 1969-07-25
•
Granted: 1971-10-05
•
Expires: 1989-07-25
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Abstract

Abstract A PREFABRICATED, MODULAR, BOX-SHAPED HALF SEGMENT IN THE FORM OF A RECTANGULAR PARALLELEPIPED IS PROVIDED WHICH HAS AS BASIC ELEMENTS A FLOOR, A SINGLE SIDE WALL, TWO END WALLS AND A ROOF, THESE ELEMENTS BEING RIGIDLY FIXED IN POSITION BY A PAIR OF SPACED EXTERNAL C-FRAME MEMBERS WHICH ARE TRANSVERSELY CONNECTED TO THE FLOOR, WALL, AND ROOF. BY CONNECTING TWO HALF SEGMENTS TOGETHER THROUGH THEIR RESPECTIVE C-FRAME MEMBERS, AN ENCLOSED UNIT IS PRODUCED. THE FOUR VERTICAL LEGS OF THE C-FRAMES OF EACH UNIT DEFINE THE CORNERS OF UPPER AND LOWER HORIZONTALLY DISPOSED SQUARES, THE BASIC OF A SQUARE GRID SYSTEM WHICH ENABLES VERTICAL STACKING OF UNITS WITH A CHOICE OF THE FOUR QUADRANT ATTITUDES FOR ALIGNMENT OF THE UNITS IN THE GRID SYSTEM. THE WEIGHT OF EACH UNIT IS CARRIED BY THE C-FRAME MEMBER SYSTEM WITH THE SIDE WALLS SERVING AS A STRENGTHENING BEAN. VARIOUS CANTILEVER ARRANGEMENTS CAN BE PROVIDED.

Inventors

  • 👤 Russell B Brown
  • 👤 Ronald M Wood
  • 👤 Robert J Farren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:20
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B1/34

Claims Analysis

Total Claims: 0
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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) 1974-10-04 1975-04-05 1975-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-04 1979-04-05 1979-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-04 1983-04-05 1983-10-05 $7700.00 Window Closed / Lapsed

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