Solicitação de exame técnico
#4.1
10/03/1989
RPI 989
Application data
Number
PI8606930Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
E. H. (pessoa física)
US
Inventors
E. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/03/1989
RPI 989
#1.3
11/03/1987
RPI 889
#21.1
Patente extinta em 11/09/2001
07/22/2008
RPI 1959
#16.1
06/25/1991
RPI 1073
#13.1
03/12/1991
RPI 1058
#9.1
11/27/1990
RPI 1043
#6.1
05/29/1990
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