Publicação do pedido de patente
#3.1
11/16/1988
RPI 943
Application data
Number
PI8801765Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 11/16/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. Z. (pessoa física)
US
K. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/16/1988
RPI 943
#2.1
08/30/1988
RPI 932
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G05G 15/01; G03G 13/01.
03/27/2018
RPI 2464
#21.1
Patente extinta em 13/04/2003
09/02/2008
RPI 1965
#16.1
09/28/1993
RPI 1191
#13.1
07/13/1993
RPI 1180
#9.1
03/23/1993
RPI 1164
#6.1
07/21/1992
RPI 1129
#4.1
12/04/1990
RPI 1044
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