6.2
05/30/1989
RPI 971
Application data
Number
PI8500395Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
W. M. (pessoa física)
US
W. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
10/13/1987
RPI 886
#3.1
09/10/1985
RPI 777
#2.1
06/18/1985
RPI 765
#2.1
04/23/1985
RPI 757
#21.1
Patente extinta em 29/01/2000
07/15/2008
RPI 1958
#16.1
03/30/1993
RPI 1165
#13.1
10/27/1992
RPI 1143
#9.1
06/02/1992
RPI 1122
#6.1
11/12/1991
RPI 1093
#6.1
04/23/1991
RPI 1064
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Same category
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