Glass block

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Information

Patent Grant
D346665

References
Source

Patent Number
D346,665
Date Filed
Thursday, June 25, 1992
32 years ago
Date Issued
Tuesday, May 3, 1994
30 years ago

Inventors
- Peter S. Aldridge
Original Assignees
- Pittsburgh-Corning Corporation
Examiners
- Word; A. Hugo
- Clark; Doris
Agents
- Reed Smith Shaw & McClay

US Classifications
- D25 - Building units and construction elements
Field of Search
- US
- 052 306-308
- 428 38
- D25 103
- D25 151
- D25 153
- D25 156
- D25 104-111
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for the glass block, as shown.

US Referenced Citations (10)

Number	Name	Date	Kind
D27339	Winston	Jul 1897
D28001	Wright	Dec 1897
D99075	Eastus	Mar 1936
D99076	Eastus	Mar 1936
D99087	Jones	Mar 1983
D106977	Holmes	Nov 1937
D106980	Jones	Nov 1937
4852321	Fleming, Jr. et al.	Aug 1989
4959937	Mayer	Oct 1990
5160566	Ashby et al.	Nov 1992