Title:
Acoustically sealed track system for movable partitions
United States Patent 3098519


Inventors:
Myers, Charles R.
Hedler, Frank K.
Application Number:
US6759560A
Publication Date:
07/23/1963
Filing Date:
11/07/1960
Assignee:
KOPPERS CO INC
Primary Class:
Other Classes:
49/306, 49/409, 49/477.1, 160/199
International Classes:
E06B3/48; E06B7/20
View Patent Images:
US Patent References:
2987121Foldable partition1961-06-06
2945535Foldable partition1960-07-19
2913783Window seals1959-11-24
2829244Light fixture1958-04-01
2827957Foldable partition1958-03-25
2728119Door locking mechanism1955-12-27
2694840Removable sash structure1954-11-23
2469131Inflatable door sealing system1949-05-03