Deferimento
#9.1
12/05/1989
RPI 998
Application data
Number
PI8501734Type
Filing
Publication
The letters patent expired on 07/15/2008: 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
A. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
12/05/1989
RPI 998
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05/16/1989
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01/26/1988
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12/10/1985
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06/25/1985
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#21.1
Patente extinta em 12/04/2000
07/15/2008
RPI 1958
#16.1
06/26/1990
RPI 1024
#13.1
04/10/1990
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