Carta-patente expirada
#21.1
Patente extinta em 28/11/1999 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
D. R. (pessoa física)
PR, BR
Inventors
D. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/11/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
10/25/1994
RPI 1247
#13.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
#4.1
07/24/1990
RPI 1025
#3.2
05/08/1990
RPI 1017
#2.1
03/20/1990
RPI 1010
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.