Publicação do pedido de patente
#3.1
05/03/1988
RPI 915
Application data
Number
PI8704725Type
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: 05/03/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. C. (pessoa física)
US
J. T. (pessoa física)
US
R. H. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
906.817 · 09/12/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/03/1988
RPI 915
#2.1
02/17/1988
RPI 904
#21.1
Patente extinta em 11/09/2002
07/29/2008
RPI 1960
#16.1
03/25/1997
RPI 1373
#15.11
02/18/1997
RPI 1368
#9.1
04/09/1996
RPI 1323
#6.1
06/06/1995
RPI 1279
#4.1
11/27/1990
RPI 1043
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