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Official data from INPI

FREIO DE DISCO,POSSUINDO UMA ESTRUTURA A PROVA DE POEIRA APERFEICOADA

Em AnáliseInvention Patent

Application data

Number

PI7903032

Type

Invention Patent

Filing

05/23/1978

Publication

05/11/1982

Progress at the INPI

  1. Filing05/23/78
  2. Publication05/11/82
  3. Examination
  4. Allowance02/08/83
  5. Grant09/27/83
  6. Terminated06/24/86

The patent was granted on 09/27/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SUMITOMO ELECTRIC INDUSTRIES

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Inventors

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Publicação do pedido de patente

#3.1

05/11/1982

RPI 603

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