11/03/1987
RPI 889
Solicitação de exame técnico
4.1
Back to search
Utility ModelMU6601957
VÁLVULA DE ESCAPE PARA PANELA DE PRESSÃO
Meridional S/A Comércio e Indústria
Em AnáliseIPC A47J 27/092
Progress at the INPI
- Terminated11/14/95
The patent was granted on 06/25/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
08/04/1987
RPI 876
Publicação antecipada
3.2
04/28/1987
RPI 862
Pedido de patente depositado
2.1
11/14/1995
RPI 1302
Anuidade - prazo legal encerrado
18.2
06/25/1991
RPI 1073
Concessão da patente
16.1
02/05/1991
RPI 1053
Deferimento
9.1
04/03/1990
RPI 1012
Exigência - art. 36 da LPI
6.1