Solicitação de exame técnico
#4.1
12/29/1987
RPI 897
The letters patent expired on 09/18/2001: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Turtle Cases Sistema Profissional de Cine Foto Som Ltda., firma brasileira, comercial
SP, BR
Inventors
E. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/29/1987
RPI 897
#3.2
11/10/1987
RPI 890
#2.1
11/03/1987
RPI 889
#21.1
Patente extinta em 04/08/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#20.1
03/23/1993
RPI 1164
#16.1
06/25/1991
RPI 1073
02/26/1991
RPI 1056
#9.1
11/13/1990
RPI 1041
#6.1
01/09/1990
RPI 1001
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.