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 Title: |
US5491862:
Chimney scraper
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Hurley, Bruce P.; Hillsboro, OR 97124
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| Assignee: |
None
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| Published / Filed: |
1996-02-20
/ 1994-12-15
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| Application Number: |
US1994000356629
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| IPC Code: |
Advanced:
F23J 3/02;
Core:
F23J 3/00;
IPC-7:
F23J 3/02;
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| ECLA Code: |
F23J3/02C;
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| U.S. Class: |
Current:
015/104.068;
015/104.066;
015/144.3;
015/236.05;
015/236.07;
015/236.08;
030/169;
030/171;
D32/049;
Original:
015/104.068;
015/104.066;
015/144.3;
015/236.05;
015/236.07;
015/236.08;
030/169;
030/171;
D32/049;
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| Field of Search: |
015/144.3,162,163,236.01,236.05-236.09,242,243,249,104.066-104.069,249.1-249.3
030/169,171,172
D32/046,49
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| Priority Number: |
| 1994-12-15 |
US1994000356629 |
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| Abstract: |
A scraper for removing deposits from an interior of a chimney. The inventive device includes an elongated handle having a scraping plate attached to a lower end thereof for engaging and scraping the interior surfaces of the chimney. The scraping plate can be rectangular, semi-circular, or quarter-round in shape so as to accommodate a plurality of disparate chimney interior shapes.
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| Primary / Asst. Examiners: |
Spisich, Mark;
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| Maintenance Status: |
E1 Expired Check current status
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| INPADOC Legal Status: |
Show legal status actions
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| Family: |
None
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First Claim:
Show all 9 claims |
What is claimed as being new and desired to be protected by LETTERS PATENT of the United States is as follows:
1. A chimney scraper comprising:
- a handle means for grasping and manipulating by an individual within a chimney, said handle means comprising a plurality of tubular members having threaded ends, and a plurality of hollow couplers having threaded interior surfaces, wherein said hollow couplers are operable to join said tubular members together; and,
- a scraping means coupled to a lower end of said handle means for engaging and scraping interior surfaces of said chimney, said scraping means comprising a semi-circular scraping plate having a straight edge along which a straight perimeter flange extends; a pair of lateral perimeter flanges extending from respectively opposed ends of said straight perimeter flange; and an arcuate perimeter flange connecting said lateral perimeter flanges, said flanges being shaped so as to define an upper perimeter edge spaced from a lower perimeter edge, with said perimeter edges tapering to a point for engaging and scraping the interior surfaces of said chimney.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 5 U.S. patent(s) that reference this one
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