6.2
05/30/1989
RPI 971
Application data
Number
PI8503434Type
Filing
Publication
The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc.
US
Inventors
G. P. (pessoa física)
US
H. H. (pessoa física)
US
K. W. (pessoa física)
US
IPC Classification
Priority claims
US
632.506 · 07/19/1984
US
632.507 · 07/19/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
05/24/1988
RPI 918
#3.1
04/15/1986
RPI 808
#2.1
09/24/1985
RPI 779
#18.2
09/19/1995
RPI 1294
#16.1
05/28/1991
RPI 1069
#13.1
02/13/1991
RPI 1054
#9.1
10/30/1990
RPI 1039
#6.1
05/29/1990
RPI 1020
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