Carta-patente expirada
#21.1
Patente extinta em 25/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
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.
Applicants
NEC do Brasil S/A
SP, BR
Inventors
C. G. (pessoa física)
BR
J. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 25/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
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RPI 1304
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09/05/1995
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05/23/1995
RPI 1277
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11/15/1994
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07/19/1994
RPI 1233
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10/09/1990
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05/22/1990
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