Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Outside corner or peripherally bordered
Patent
1987-03-19
1988-04-26
Murtaugh, John E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Outside corner or peripherally bordered
52726, 49161, 49504, 403402, 403382, E06B 100
Patent
active
047396008
ABSTRACT:
In a window frame assembly having hollow frame members, a joint interconnecting the ends of two adjacent frame members is described. The joint includes a rabbeted miter cut and an anti rack and twist component. These features act synergistically to align and firmly joint adjacent frame members.
REFERENCES:
patent: 2155729 (1939-04-01), Mainieri
patent: 2874420 (1959-02-01), Henderson
patent: 3835616 (1974-09-01), Van Wieringen
patent: 3924956 (1975-12-01), Fortier
patent: 3952473 (1976-04-01), Jesse
patent: 4042004 (1977-08-01), Kwan
patent: 4630386 (1986-12-01), Wilson
patent: 4640048 (1987-02-01), Winner et al.
The Carpenter and Joiner's Assistant Newlands, 1860.
Lynch Ronald J.
Yee Robert
Chelsea Industries, Inc.
Dennison Caroline D.
Murtaugh John E.
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