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Official data from INPI

COMUTADOR DE LINHA AUTOMÁTICO - PROGRAMÁVEL SEQUENCIALMENTE

Em AnáliseInvention Patent

Application data

Number

PI8506288

Type

Invention Patent

Filing

12/10/1985

Publication

05/13/1986

Progress at the INPI

  1. Filing12/10/85
  2. Publication05/13/86
  3. Examination08/05/86
  4. Allowance10/22/91
  5. Grant08/25/92
  6. Terminated09/28/99

The patent was granted on 08/25/1992 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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações do Paraná S/A Telepar

PR, BR

See this company's full portfolio

Inventors

C. W. (pessoa física)

BR

M. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação antecipada

#3.2

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Anuidade - prazo legal encerrado

#18.2

Referente a 11ª anuidade (prazo legal encerrado na vigencia da Lei 5772/71 do CPI)

09/28/1999

RPI 1499

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

05/28/1991

RPI 1069

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