Publicação do pedido de patente
#3.1
03/29/1988
RPI 910
Application data
Number
PI8703825Type
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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/29/1988
RPI 910
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10/13/1987
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Patente extinta em 22/07/2002
07/29/2008
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11/05/1991
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