300
10/24/1989
RPI 992
Application data
Number
PI8201494Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Protectur S/A
RJ, BR
Inventors
E. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/24/1989
RPI 992
10/17/1989
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01/24/1989
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07/26/1988
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12/15/1987
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11/10/1987
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07/14/1987
RPI 873
02/17/1987
RPI 852
#6.1
04/22/1986
RPI 809
09/03/1985
RPI 776
08/27/1985
RPI 775
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04/16/1985
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#4.1
01/31/1984
RPI 693
#3.1
11/01/1983
RPI 680
#2.1
05/04/1982
RPI 602
#21.1
Patente extinta em 18/03/97
07/01/2008
RPI 1956
03/15/1994
RPI 1215
09/11/1990
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