Deferimento
#9.1
10/31/1989
RPI 993
Application data
Number
PI8407006Type
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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
J. E. (pessoa física)
US
K. P. (pessoa física)
US
R. W. (pessoa física)
US
W. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/31/1989
RPI 993
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05/16/1989
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10/18/1988
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06/16/1987
RPI 869
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07/02/1985
RPI 767
#21.1
Patente extinta em 19/06/99
07/08/2008
RPI 1957
#16.1
05/29/1990
RPI 1020
#13.1
03/06/1990
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