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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8401320

Type

Invention Patent

Filing

03/22/1984

Publication

08/14/1984

Progress at the INPI

  1. Filing03/22/84
  2. Publication08/14/84
  3. Examination11/27/84
  4. Allowance05/09/89
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi SpA

IT

See this company's full portfolio

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação antecipada

#3.2

08/14/1984

RPI 721

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

Patente extinta em 22/03/99

07/08/2008

RPI 1957

Cessão de direito de exploração

#22.1

04/29/1997

RPI 1378

20.4

11/17/1992

RPI 1146

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