Patent · US Expired

Two piece center mull for multiple door assembly

US5682715A · kind A · utility

5Cited by

20References

12Claims

0Family size

Assignee

Mineral Products, Inc. · US

Inventors

H. Smith McKann · Fredericksburg, US
Gerald Schmidt · Gerstetten, DE

Key dates

Filing date	Oct 30, 1995
Grant date	Nov 4, 1997
Priority date	—
Expiry date	Oct 30, 2015

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06B3/88
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A center mull for a double or multiple door assembly has a mull base and mull closure. The door assembly has a fixed inactive door and a movable active door. The mull base and mull closure are of non-wooden material. The mull base has a base end member and base sides angularly extending from opposite end edges of the base and member. The mull base is attached to the fixed door. The mull closure has a closure end member and closure sides angularly extending from opposite end edges of the closure end member. Couplings on the free ends of the base sides and closure sides attach the mull closure to the mull base.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.