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Official data from INPI

ROTOR PARA USO ASSOCIADO COM UMA PLACA EXTRATORA EM UM MECANISMO PRODUTOR DE POLPA

ConcedidaInvention Patent

Application data

Number

PI8300414

Type

Invention Patent

Filing

01/21/1983

Publication

11/01/1983

Progress at the INPI

  1. Filing01/21/83
  2. Publication11/01/83
  3. Examination12/03/85
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

S. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

342.346 · 01/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

6.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Carta-patente expirada

#21.1

Patente extinta em 21/01/98

07/01/2008

RPI 1956

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