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Official data from INPI

MÁQUINA DE ACABAMENTO PARA EXTRAÇÃO DE FLUIDO; PROCESSO PARA EXTRAÇÃO DE FLUIDO.

ConcedidaInvention Patent

Application data

Number

PI8402451

Type

Invention Patent

Filing

05/22/1984

Publication

04/02/1985

Progress at the INPI

  1. Filing05/22/84
  2. Publication04/02/85
  3. Examination06/02/87
  4. Allowance09/27/88
  5. Grant07/25/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

L. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

500.533 · 06/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

04/02/1985

RPI 754

Pedido de patente depositado

#2.1

07/31/1984

RPI 719

Carta-patente expirada

#21.1

Patente extinta em 22/05/99

07/08/2008

RPI 1957

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