15.17
10/31/1989
RPI 993
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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
G. R. (pessoa física)
BR
G. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
09/26/1989
RPI 988
#3.1
08/15/1989
RPI 982
#2.1
04/26/1988
RPI 914
#21.1
Patente extinta em 12/01/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#25.4
12/30/1997
RPI 1410
#16.1
06/29/1993
RPI 1178
#13.1
03/23/1993
RPI 1164
#9.1
11/03/1992
RPI 1144
#4.1
06/18/1991
RPI 1072
#3.1
09/11/1990
RPI 1032
#2.1
06/05/1990
RPI 1021
05/22/1990
RPI 1019
05/22/1990
RPI 1019
01/09/1990
RPI 1001
Same category
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