Tier drop grid system

Details Tier drop grid system Tier drop grid system

1986-12-15

1989-01-03

Bell, J. Karl

Static structures (e.g., buildings)

Facer held by stiffener-type frame

Facer back abuts and conceals frame

52664, 52729, E04B 555

Patent

active

047947454

ABSTRACT:
A suspended ceiling grid member which comprises a web portion, an upper bulb extending along the top of the web portion, a pair of flanges extending outwardly from the bottom of the web portion, the flanges being adapted to support ceiling tiles, and a lower bulb extending downwardly from the flanges, whereby the lower bulb provides greater strength to the suspended ceiling grid member and also enhances the appearance thereof.

REFERENCES:
patent: D34721 (1901-07-01), Davis
patent: 1749648 (1930-03-01), Ray
patent: 2963751 (1960-12-01), Mancini
patent: 3279139 (1966-10-01), Stahlhut
patent: 3327444 (1967-06-01), Downing, Jr.
patent: 3396997 (1968-08-01), Adams
patent: 3496690 (1970-02-01), Jahn
patent: 3623290 (1971-11-01), Downing, Jr.
patent: 3746379 (1973-07-01), Sauer
patent: 3778947 (1973-12-01), Sauer
patent: 3783771 (1974-01-01), Hartzell et al.
patent: 3846031 (1974-11-01), Adams
patent: 3871150 (1975-03-01), Murray et al.
patent: 3898782 (1975-08-01), Donato
patent: 4021986 (1977-05-01), McCall et al.
patent: 4034531 (1977-07-01), Balinski
patent: 4108563 (1978-08-01), Brown et al.
patent: 4208851 (1980-06-01), Sauer
patent: 4272937 (1981-06-01), Brugman
patent: 4462198 (1984-07-01), Sharp
patent: 4470239 (1984-09-01), Sauer
patent: 4484428 (1984-11-01), Sauer
patent: 4505083 (1985-03-01), Mieyal
patent: 4525973 (1985-07-01), Vukmanic et al.
patent: 4542615 (1985-09-01), McCall

Affiliated with

Also associated with

Rating

Tier drop grid system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tier drop grid system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tier drop grid system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2161938