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Official data from INPI

Separador densimétrico para remoção de elementos pesados de sementes, cereais industriais.

Em AnáliseInvention Patent

Application data

Number

PI8004493

Type

Invention Patent

Filing

07/18/1980

Publication

03/16/1982

Progress at the INPI

  1. Filing07/18/80
  2. Publication03/16/82
  3. Examination01/11/83
  4. Allowance01/10/84
  5. Grant08/28/84
  6. Terminated06/21/88

The patent was granted on 08/28/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caliver do Brasil Industria e Comércio e Representações de Máquinas Agricolas Ltda.

PR, BR

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

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