Carta-patente expirada
#21.1
Patente extinta em 03/03/2004
12/29/2009
RPI 2034
Application data
Number
PI8907303Type
Filing
Publication
PCT
US1989000822 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
B. H. (pessoa física)
US
B. M. (pessoa física)
US
S. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 03/03/2004
12/29/2009
RPI 2034
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05/31/1994
RPI 1226
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10/13/1993
RPI 1193
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10/29/1991
RPI 1091
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03/19/1991
RPI 1059
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