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Official data from INPI

APERFEICOAMENTO EM TRITURADOR CENTRIFUGA

Em AnáliseInvention Patent

Application data

Number

PI8107891

Type

Invention Patent

Filing

12/03/1981

Publication

08/30/1983

Progress at the INPI

  1. Filing12/03/81
  2. Publication08/30/83
  3. Examination08/07/84
  4. Allowance04/16/85
  5. Grant10/29/85
  6. Terminated11/16/88

The patent was granted on 10/29/1985 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. B. (pessoa física)

S. R. (pessoa física)

Inventors

B. L. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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