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Official data from INPI

SISTEMA PARA CONTROLAR O FLUXO DE FLUIDO LUBRIFICANTE PARA O CIRCUITO DE LUBRIFICAÇÃO DE EMBREAGEM DE UM VEÍCULO

ConcedidaInvention Patent

Application data

Number

PI8405359

Type

Invention Patent

Filing

10/23/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/23/84
  2. Publication09/03/85
  3. Examination10/20/87
  4. Allowance08/02/88
  5. Grant04/25/89
  6. Terminated10/16/90

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

See this company's full portfolio

Inventors

P. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

545.981 · 10/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16D 25/11.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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