6.2
06/28/1988
RPI 923
Application data
Number
PI8402132Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
C. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
06/28/1988
RPI 923
#4.1
10/14/1986
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#3.1
12/11/1984
RPI 738
#2.1
07/17/1984
RPI 717
#21.1
Patente extinta em 07/05/99
07/08/2008
RPI 1957
#15.11
08/06/1991
RPI 1079
#16.1
02/26/1991
RPI 1056
#9.1
09/18/1990
RPI 1033
#6.1
04/24/1990
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