Hand held power tool with working disc
Patent 5309682 Issued on May 10, 1994. Estimated Expiration Date: 
August 13, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 13, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3703739 Air-powered sander Sanding, buffing and polishing tool and parts thereof Patent #: 4617767 Inventors
AssigneeApplicationNo. 929304 filed on 08/13/1992US Classes:451/490, TOOL SUPPORT FOR FLEXIBLE-MEMBER TOOL451/538Strippable layer or componentExaminersPrimary: Rachuba, M.Attorney, Agent or FirmInternational ClassB24D 017/00Foreign Application Priority Data1990-03-28 DEAbstractA hand held power tool has a working disc and a working sheet held on the working disc by a burdock connection. The working disc has a burdock surface. An intermediate pad is held on the burdock surface of the grinding disc. The intermediate pad has a first side provided with a velour coating and releasably connectable with the burdock surface of the grinding working disc and a second side releasably connectable with the working sheet. | |
