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Official data from INPI

CABO OTICO APERFEICOADO

ConcedidaInvention Patent

Application data

Number

PI8106238

Type

Invention Patent

Filing

09/29/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing09/29/80
  2. Publication06/15/82
  3. Examination07/05/83
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated08/07/90

The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

L. S. (pessoa física)

O. E. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

8.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

14.1

01/25/1983

RPI 640

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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