Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1977-02-24
1978-08-29
Kee Chi, James
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
16171, 248512, 428 18, E05D 106, E05D 712, A47G 3306
Patent
active
041093453
ABSTRACT:
A hinge assembly for artificial Christmas trees that allows for the collapse of the tree without danger of the hinge binding or pinching materials in contact with the hinge and which is well suited to fabrication by mass production techniques.
REFERENCES:
patent: 2550023 (1951-04-01), Reilly
patent: 3085774 (1963-04-01), Di Ienno
patent: 3159523 (1964-12-01), Abramson
patent: 3164344 (1965-01-01), Whyte
patent: 3616102 (1971-10-01), Baus et al.
patent: 3728202 (1973-04-01), Baus et al.
patent: 3928689 (1975-12-01), Mottel
patent: 3978550 (1976-09-01), Brown
Sargent Harry
Spiegel Si
American Technical Institute, Inc.
Chi James Kee
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