Appeal No. 1999-2242
Application No. 08/137,056
We AFFIRM.
The subject matter on appeal is directed to a windshield
wiper (claims 11 and 14) and to a method of making a
windshield wiper (claims 12 and 13). An understanding of the
invention can be derived from a reading of exemplary claims 12
and 14, which are reproduced below.
12. A method of making a windshield wiper exhibiting a
low coefficient of friction comprising a body portion and
blade portion, which method comprises:
(1) providing a windshield wiper mold with at least a
portion of its inside surface permanently coated with
polytetrafluoroethylene,
(2)coating the permanent polytetrafluoroethylene coating
on the inside surface of the mold of (1) with a transferable
overcoat of polytetrafluoroethylene,
(3) placing a heat curable rubber mix into the mold,
(4) and molding the heat curable rubber mix.
14. A product produced by the method of claim 12.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Church 3,898,314 Aug. 05,
1975
Mohiuddin 4,350,739 Sep. 21,
1982
Yasukawa et al. 4,912,803 Apr. 03,
1990
(Yasukawa)
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007