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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8403686

Type

Invention Patent

Filing

07/20/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/20/84
  2. Publication07/02/85
  3. Examination03/26/85
  4. Allowance03/01/88
  5. Grant08/30/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi SpA

IT

See this company's full portfolio

Inventors

G. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

4.1.2

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 20/07/99

07/08/2008

RPI 1957

20.4

11/03/1992

RPI 1144

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