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Patent
D297062
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Priority
Nov 12 1986
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Filed
Nov 12 1986
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Issued
Aug 02 1988
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Expiry
Aug 02 2002
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Assg.orig
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Entity
unknown
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1
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4
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n/a
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The ornamental design for a scraper for cleaning boilers and furnaces, as shown.
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FIG. 1 is a top plan view of a scraper for cleaning boilers and furnaces
showing my new design;
FIG. 2 is a side elevational view, the opposite side being a mirror image
thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof; and
FIG. 5 is a front elevational view thereof.
Miller, Richard
Patent |
Priority |
Assignee |
Title |
D822299, |
Jun 28 2017 |
Bona AB |
Mop assembly |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
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