Solicitação de exame técnico
#4.1
04/04/1989
RPI 963
The letters patent expired on 09/25/2001: 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: 04/04/1989. We update with every new RPI gazette, published weekly.
Applicants
U. S. (pessoa física)
SP, BR
Inventors
U. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/04/1989
RPI 963
#2.1
01/10/1989
RPI 951
#3.2
01/10/1989
RPI 951
#21.1
Patente extinta em 03/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
06/28/1994
RPI 1230
#13.1
01/18/1994
RPI 1207
#9.1
07/27/1993
RPI 1182
06/15/1993
RPI 1176
#7.1
07/21/1992
RPI 1129
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Same category
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