11/20/2001
RPI 1611
Carta-patente expirada
21.1
Patente extinta em 20/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
Utility ModelMU6902169
Helios S/A. Indústria e Comércio
The letters patent expired on 11/20/2001: 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: 11/20/2001. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/20/2001
RPI 1611
21.1
Patente extinta em 20/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
04/04/1995
RPI 1270
15.11
06/28/1994
RPI 1230
16.1
02/22/1994
RPI 1212
13.1
09/21/1993
RPI 1190
9.1
03/02/1993
RPI 1161
10/22/1991
RPI 1090
4.1
07/16/1991
RPI 1076
3.1
03/13/1990
RPI 1009
2.1