Publicação antecipada
#3.2
06/13/1989
RPI 973
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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
Cristal Melhoramentos e Construções Ltda
SP, BR
Inventors
L. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
06/13/1989
RPI 973
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 23/02/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
03/28/1995
RPI 1269
#13.1
09/27/1994
RPI 1243
#9.1
05/24/1994
RPI 1225
#6.1
11/30/1993
RPI 1200
02/05/1991
RPI 1053
12/26/1990
RPI 1047
#4.1
01/09/1990
RPI 1001
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