Concessão da patente
#16.1
08/30/1988
RPI 932
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Official data from INPI
VEDAÇÃO DE FLUIDO DE PRESSÃO HIDRÁULICA, BOMBA OU MOTOR DE ENGRENAGEM ROTATIVA E PLACA DE PRESSÃO.
ConcedidaInvention Patent
Application data
Number
PI8500858Type
Invention Patent
Filing
02/27/1985
Publication
04/15/1986
Progress at the INPI
- Filing02/27/85
- Publication04/15/86
- Examination08/05/86
- Allowance12/29/87
- Grant08/30/88
- Terminated03/10/92
The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Commercial Shearing, Inc.
US
Inventors
D. F. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
US
626.297 · 06/29/1984
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/10/1988
RPI 916
Deferimento
#9.1
12/29/1987
RPI 897
Pedido de certificado de adição de invenção
#5.1
12/16/1986
RPI 843
Solicitação de exame técnico
#4.1
08/05/1986
RPI 824
Publicação do pedido de patente
#3.1
04/15/1986
RPI 808
Pedido de patente depositado
#2.1
05/14/1985
RPI 760
Anuidade - prazo legal encerrado
#18.2
03/10/1992
RPI 1110
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