Pedido de patente depositado
#2.1
05/30/1989
RPI 971
Application data
Number
PI8806648Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
F. C. (pessoa física)
SP, BR
Inventors
F. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 12/12/2003
09/02/2008
RPI 1965
#16.1
10/25/1994
RPI 1247
#13.1
05/24/1994
RPI 1225
#9.1
02/01/1994
RPI 1209
#4.1
01/08/1991
RPI 1049
#3.2
08/07/1990
RPI 1027
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.