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Patent
   D263928
Priority
Nov 07 1979
Filed
Nov 07 1979
Issued
Apr 20 1982
Expiry
Apr 20 1996
Inventors
Dewey, Geo…
Assg.orig
Illinois T…
Assg.curr
Illinois T…
Entity
unknown
Referenced by
20
References
4
Maint.:
n/a
The ornamental design for a roof insulation washer, as shown.

FIG. 1 is an isometric view of a roof insulation washer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a sectional view taken in the direction of the arrows on line 3--3 of FIG. 2.
INVENTORS:

Dewey, George G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10190616, Jan 04 2016 Celcore Incorporated Roof cover fastener
10767684, Apr 26 2019 Solsera, Inc. Flat roof mounting device
10781587, Dec 14 2016 UNIRAC, INC Structural attachment sealing system
10982430, Dec 14 2016 UNIRAC, INC Structural attachment sealing system
11486133, Dec 14 2016 UNIRAC, INC Structural attachment sealing system
11486134, Dec 14 2016 UNIRAC, INC Structural attachment sealing system
11572690, Dec 14 2016 UNIRAC, INC Structural attachment sealing system
11725688, Apr 26 2019 Solsera, Inc. Flat roof mounting device
11746821, Apr 26 2019 Solsera, Inc.; SOLSERA, INC Flat roof mounting device
4890968, Feb 15 1989 OMG ROOFING, INC Stackable roofing washer
5626451, Oct 12 1995 Wind-Lock Corporation Washer for use with exterior insulation
7284933, Jun 07 2002 FCI HOLDINGS DELAWARE, INC Square embossed roof and rib plate
9027223, Jul 22 2008 The Boeing Company Insulating cover for fasteners used in high temperature environments
9447810, Jul 22 2008 The Boeing Company Insulating washers
D309250, Feb 20 1987 Illinois Tools Works Inc. Bi-directional lashing patch
D440022, May 03 2000 Bloomfield Manufacturing Company, Inc. Jack base
D841466, Dec 08 2016 Container lid
D844424, Jun 23 2017 Celcore Incorporated Roof cover fastener
D896617, Jun 26 2018 Opening locator
D900790, May 15 2019 CLARUS GLASSBOARDS LLC Mounting clip
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3238731,
4112693, Sep 30 1976 KAISER STEEL DELAWARE , INC A CORP OF DE Mine roof support plate
236428,
237681,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 07 1979Illinois Tool Works Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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