Publicação do pedido de patente
#3.1
10/20/1987
RPI 887
Application data
Number
PI8606524Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/20/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Minnesota Mining And Manufacturing Company
US
Inventors
L. M. (pessoa física)
US
W. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/20/1987
RPI 887
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04/28/1987
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Patente extinta em 30/12/2001
07/22/2008
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06/29/1993
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