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Official data from INPI

SISTEMA DE DEGELO E SEPARAÇÃO DE PARTÍCULAS PARA A ENTRADA DE UM MOTOR DE TUBRINA A GÁS.

Em AnáliseInvention Patent

Application data

Number

PI8003465

Type

Invention Patent

Filing

05/30/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing05/30/80
  2. Publication02/02/82
  3. Examination04/27/82
  4. Allowance07/19/83
  5. Grant02/28/84
  6. Terminated06/21/88

The patent was granted on 02/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

M. J. (pessoa física)

N. R. (pessoa física)

Technical data

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

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

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