Pedido de patente depositado
#2.1
02/28/1989
RPI 958
Application data
Number
PI8900179Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
International Telesystems, Inc.
US
Inventors
A. D. (pessoa física)
US
B. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/28/1989
RPI 958
#21.1
Patente extinta em 16/01/2009
12/18/2012
RPI 2189
#15.11
A classificação anterior era: H04N 7/167
06/05/2012
RPI 2161
#16.1
08/25/1998
RPI 1444
#9.1
08/26/1997
RPI 1395
#6.1
11/12/1996
RPI 1354
#15.11
12/05/1995
RPI 1305
#6.1
11/14/1995
RPI 1302
07/19/1994
RPI 1233
#4.1
02/02/1993
RPI 1157
#3.1
08/14/1990
RPI 1028
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