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WEATHERPROOFING SYSTEM AND ENVELOPE PANEL THEREFOR
US 3,481,087 A
Filed
: 02/05/1968
Issued
: 12/02/1969
Est. Priority Date
: 02/05/1968
Status: Expired due to Term
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Current Assignee
Robert M. Stafford
Original Assignee
Robert M. Stafford
Inventors
Stafford, Robert M.
Application Number
US04/702,932
Time in Patent Office
666 Days
Field of Search
US Class Current
52/2.19
CPC Class Codes
E04D 3/35
Roofing slabs or stiff shee...
E04D 3/357
comprising hollow cavities
E04D 3/38
Devices for sealing spaces ...
E04D 5/10
by making use of compounded...
Y10T 428/24488
Differential nonuniformity ...
Y10T 428/24496
Foamed or cellular component
Y10T 428/24587
Oblique to longitudinal axi...
Y10T 428/24612
Composite web or sheet
Y10T 428/249987
With nonvoid component of s...
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