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Official data from INPI

EQUALIZADOR DE VAZÃO PARA BOMBAS PERISTÁLTICAS USADAS EM IMPLEMENTOS AGRÍCOLAS NA APLICAÇÃO DE ADUBOS, FERTILIZANTES E OUTROS, DE NATUREZA LÍQUIDA

ConcedidaInvention Patent

Application data

Number

PI8405090

Type

Invention Patent

Filing

10/04/1984

Publication

05/13/1986

Progress at the INPI

  1. Filing10/04/84
  2. Publication05/13/86
  3. Examination07/05/88
  4. Allowance03/28/89
  5. Grant11/28/89
  6. Terminated03/03/92

The patent was granted on 11/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. O. (pessoa física)

SP, BR

Inventors

P. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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