Pedido de patente depositado
#2.1
05/09/1989
RPI 968
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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
L. W. (pessoa física)
EC
Inventors
L. W. (pessoa física)
EC
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/09/1989
RPI 968
#21.1
Patente extinta em 21/03/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
11/29/1994
RPI 1252
#13.1
08/30/1994
RPI 1239
#9.1
05/03/1994
RPI 1222
#4.1
05/11/1993
RPI 1171
#3.1
02/05/1991
RPI 1053
Same category
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