Publicação do pedido de patente
#3.1
12/06/1988
RPI 946
Application data
Number
PI8802152Type
Filing
Publication
The letters patent expired on 05/19/2015: 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: 12/06/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
G. T. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/06/1988
RPI 946
#2.1
09/20/1988
RPI 935
#21.1
Patente extinta em 26/04/2015
05/19/2015
RPI 2315
Ref. RPI 1790 de 26/04/2005, quanto ao prazo de validade.
08/30/2005
RPI 1808
#16.1
04/26/2005
RPI 1790
#9.1
01/04/2005
RPI 1774
#6.1
05/17/1994
RPI 1224
#4.1
12/26/1990
RPI 1047
From the same holder
Same category
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