Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8304178Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
M. A. (pessoa física)
AT
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Priority claims
AT
2438/83 · 07/04/1983
AT
3014/82 · 08/05/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
#13.1
09/06/1988
RPI 933
#9.1
05/17/1988
RPI 917
#6.1
07/28/1987
RPI 875
#6.1
07/02/1985
RPI 767
#4.1
09/11/1984
RPI 725
#3.1
03/13/1984
RPI 699
#2.1
10/11/1983
RPI 677
#21.1
Patente extinta em 04/08/98
07/01/2008
RPI 1956
#20.1
10/16/1990
RPI 1037
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.