Publicação do pedido de patente
#3.1
09/12/1989
RPI 986
Application data
Number
PI8900235Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. B. (pessoa física)
US
M. T. (pessoa física)
US
P. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/12/1989
RPI 986
#2.1
02/28/1989
RPI 958
#21.1
Patente extinta em 19/01/2004
12/15/2009
RPI 2032
#16.1
10/25/1994
RPI 1247
#13.1
06/07/1994
RPI 1227
#9.1
02/22/1994
RPI 1212
#4.1
10/08/1991
RPI 1088
From the same holder
Same category
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