200
04/07/1987
RPI 859
The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/07/1987. We update with every new RPI gazette, published weekly.
Applicants
Centro Auditivo Telex S/A
RJ, BR
Inventors
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/07/1987
RPI 859
#17.1
10/21/1986
RPI 835
#16.1
06/24/1986
RPI 818
#13.1
04/22/1986
RPI 809
#9.1
12/17/1985
RPI 791
#5.1
04/02/1985
RPI 754
#4.1
11/06/1984
RPI 733
#3.1
07/10/1984
RPI 716
#2.1
01/25/1983
RPI 640
#18.2
10/30/1990
RPI 1039
From the same holder
Same category
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