Publicação do pedido de patente
#3.1
12/13/1988
RPI 947
Application data
Number
PI8802277Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
A. D. (pessoa física)
US
H. T. (pessoa física)
US
R. K. (pessoa física)
US
T. B. (pessoa física)
US
IPC Classification
Priority claims
US
049.674 · 05/13/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/13/1988
RPI 947
#2.1
10/04/1988
RPI 937
#21.1
Patente extinta em 10/05/2003
09/02/2008
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05/13/1997
RPI 1380
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03/26/1996
RPI 1321
#9.1
08/15/1995
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02/07/1995
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04/02/1991
RPI 1061
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