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Official data from INPI

CIRCUITO TALHADOR DE COMUTACAO LIVRE

Em AnáliseInvention Patent

Application data

Number

PI8104534

Type

Invention Patent

Filing

07/17/1980

Publication

03/30/1982

Progress at the INPI

  1. Filing07/17/80
  2. Publication03/30/82
  3. Examination07/20/82
  4. Allowance08/07/84
  5. Grant02/26/85
  6. Terminated07/12/88

The patent was granted on 02/26/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

Inventors

N. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Solicitação de exame técnico

#4.1

07/20/1982

RPI 613

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

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