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Official data from INPI

PROCESSO DE FABRICAÇÃO DE UM ISOLADOR COMPOSTO E ISOLADOR OBTIDO.

ConcedidaInvention Patent

Application data

Number

PI8406458

Type

Invention Patent

Filing

03/23/1984

Publication

03/12/1985

Progress at the INPI

  1. Filing03/23/84
  2. Publication03/12/85
  3. Examination03/04/86
  4. Allowance02/28/89
  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

Ceraver

FR

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Inventors

A. K. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83/04914 · 03/25/1983

FR

PCT/84/00077 · 03/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 23/03/99

07/08/2008

RPI 1957

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