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Official data from INPI

APERFEIÇOAMENTO EM MISTURADOR PARA DUAS CORRENTES DE FLUIDO.

Em AnáliseInvention Patent

Application data

Number

PI8300685

Type

Invention Patent

Filing

02/10/1983

Publication

09/18/1984

Progress at the INPI

  1. Filing02/10/83
  2. Publication09/18/84
  3. Examination07/16/85
  4. Allowance07/08/86
  5. Grant04/28/87
  6. Terminated04/18/95

The patent was granted on 04/28/1987 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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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