Publicação do pedido de patente
#3.1
06/20/1989
RPI 974
The letters patent expired on 09/18/2001: 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: 06/20/1989. We update with every new RPI gazette, published weekly.
Applicants
Otto Haensel Equipamentos Industriais S/A
SP, BR
Inventors
W. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/20/1989
RPI 974
#2.1
03/15/1988
RPI 908
#21.1
Patente extinta em 05/11/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/31/1992
RPI 1113
#13.1
10/22/1991
RPI 1090
#9.1
06/25/1991
RPI 1073
#6.1
01/29/1991
RPI 1052
#4.1
01/16/1990
RPI 1002
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.