Solicitação de exame técnico
#4.1
07/25/1989
RPI 979
The letters patent expired on 11/20/2001: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
A. S. (pessoa física)
SP, BR
Inventors
A. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/25/1989
RPI 979
#3.2
07/11/1989
RPI 977
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 10/04/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
06/28/1994
RPI 1230
#13.1
03/15/1994
RPI 1215
#9.1
10/26/1993
RPI 1195
#6.1
06/01/1993
RPI 1174
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Same category
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