Plastic thermal barrier frames and the like

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Description

FIG. 1 is a perspective view of a plastic thermal barrier for use in constructing thermally insulated windows, doors, frames and the like shown fragmentarily to indicate indeterminate length.

FIG. 2 is a side view thereof.

FIG. 3 is a sectional view taken along line 3--3 of FIG. 2.

Referenced Cited
U.S. Patent Documents
2825999 March 1958 Dompieri
3099335 July 1963 Sklar
3216538 November 1965 Miller
3282016 November 1966 Dennery
3566561 March 1971 Tozer
3774366 November 1973 Baker
Patent History
Patent number: D242799
Type: Grant
Filed: May 27, 1975
Date of Patent: Dec 21, 1976
Assignee: Capitol Products Corporation (Mechanicsburg, PA)
Inventor: Dietrich F. Schmidt (Carlisle, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Larry Jones
Attorney: Donald L. Johnson
Application Number: 5/580,966
Classifications
Current U.S. Class: D25/75
International Classification: D2501;