Publicação do pedido de patente
#3.1
01/19/1988
RPI 900
Application data
Number
PI8701469Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/19/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
B. K. (pessoa física)
US
J. F. (pessoa física)
US
K. O. (pessoa física)
US
IPC Classification
Priority claims
US
846.754 · 04/01/1986
US
941.023 · 12/12/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/19/1988
RPI 900
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 31/03/2002
07/29/2008
RPI 1960
#16.1
11/24/1992
RPI 1147
#13.1
07/28/1992
RPI 1130
#9.1
03/03/1992
RPI 1109
#6.1
07/02/1991
RPI 1074
#4.1
08/21/1990
RPI 1029
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