Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8901691Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Minnesota Mining And Manufacturing Company
US
Inventors
R. P. (pessoa física)
US
IPC Classification
Priority claims
US
182,794 · 04/18/1988
US
182,795 · 04/18/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/21/1989
RPI 996
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 10/04/2004
12/15/2009
RPI 2032
#16.1
06/27/1995
RPI 1282
#13.1
04/04/1995
RPI 1270
#9.1
11/29/1994
RPI 1252
#6.1
06/14/1994
RPI 1228
#6.1
01/18/1994
RPI 1207
#4.1
02/11/1992
RPI 1106
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