20.5
04/12/1988
RPI 912
Application data
Number
PI8206891Type
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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
TNT Brasil S.A
RS, BR
Inventors
E. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/12/1988
RPI 912
#16.1
03/31/1987
RPI 858
08/05/1986
RPI 824
#13.1
11/26/1985
RPI 788
#9.1
07/30/1985
RPI 771
#4.1
08/09/1983
RPI 668
#3.2
03/29/1983
RPI 649
#2.1
01/18/1983
RPI 639
#21.1
Patente extinta em 18/11/97
07/01/2008
RPI 1956
05/09/1995
RPI 1275
#18.2
04/11/1995
RPI 1271
Same category
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