David E. Steen,Charles L. Irvine,Paul D. Kleinpeter
申请号：
US14614462
公开号：
US20150201608A1
申请日:
2015.02.05
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A window assembly includes upper and lower window frame members formed as a single piece extruded aluminum member. A plurality of tracks are integrally formed with the window frame members. A plurality of separate screen and window units are located within the tracks and may be freely removed or placed in to tracks when the window frame members are secured to a building structure.
