06/24/1986
RPI 818
Concessão da patente
16.1
Invention PatentPI8301034
Industrias De Maquinas Santa Terezinha Ltda
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: 06/24/1986. We update with every new RPI gazette, published weekly.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
06/24/1986
RPI 818
16.1
02/04/1986
RPI 798
9.1
08/27/1985
RPI 775
15.11
08/13/1985
RPI 773
6.1
03/12/1985
RPI 751
6.1
09/20/1983
RPI 674
4.1
07/05/1983
RPI 663
3.2
04/19/1983
RPI 652
2.1
07/01/2008
RPI 1956
21.1
Patente extinta em 03/03/98
From the same holder