Publicação do pedido de patente
#3.1
11/08/1988
RPI 942
Application data
Number
PI8801531Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
F. I. (pessoa física)
US
J. O. (pessoa física)
US
M. P. (pessoa física)
US
M. A. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/08/1988
RPI 942
#2.1
07/26/1988
RPI 927
#21.1
Patente extinta em 30/03/2008
08/26/2008
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09/30/1997
RPI 1400
#13.1
05/13/1997
RPI 1380
#9.1
02/12/1997
RPI 1367
#6.1
03/26/1996
RPI 1321
#6.1
06/28/1994
RPI 1230
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03/19/1991
RPI 1059
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