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Official data from INPI

COMUTADOR ACIONAVEL A FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI8103941

Type

Invention Patent

Filing

06/23/1981

Publication

01/25/1983

Progress at the INPI

  1. Filing06/23/81
  2. Publication01/25/83
  3. Examination10/11/83
  4. Allowance06/26/84
  5. Grant02/26/85
  6. Terminated09/13/94

The patent was granted on 02/26/1985 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: 11/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. D. (pessoa física)

Inventors

N. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/18/1986

RPI 839

201

11/05/1985

RPI 785

Pedido de licença voluntária

#17.1

07/09/1985

RPI 768

Concessão da patente

#16.1

02/26/1985

RPI 749

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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