11.3
09/05/1989
RPI 985
Application data
Number
PI8502012Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Amtel, Inc.
US
Inventors
J. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
09/05/1989
RPI 985
02/14/1989
RPI 956
#4.1
11/18/1986
RPI 839
#3.1
12/31/1985
RPI 793
#2.1
07/09/1985
RPI 768
#21.1
Patente extinta em 24/04/2000
07/15/2008
RPI 1958
#15.11
09/22/1992
RPI 1138
#16.1
04/28/1992
RPI 1117
#15.11
11/05/1991
RPI 1092
#13.1
10/29/1991
RPI 1091
#9.1
07/02/1991
RPI 1074
04/02/1991
RPI 1061
#12.3
11/06/1990
RPI 1040
#15.6
09/25/1990
RPI 1034
#15.3
05/29/1990
RPI 1020
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Same category
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