Notificação para pagamento de retribuição
#13.1
12/05/1989
RPI 998
Application data
Number
PI8407238Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
R. B. (pessoa física)
IT
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
12/05/1989
RPI 998
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11/26/1985
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#21.1
Patente extinta em 18/12/99
07/08/2008
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