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Official data from INPI

PEÇA DIELÉTRICA DE VIDRO TEMPERADO PARA ISOLADOR ELÉTRICO E ISOLADOR QUE A UTILIZA

ConcedidaInvention Patent

Application data

Number

PI8204569

Type

Invention Patent

Filing

08/04/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing08/04/82
  2. Publication07/26/83
  3. Examination01/24/84
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceraver

FR

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Inventors

C. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 15 204 · 08/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

02/26/1985

RPI 749

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

Patente extinta em 04/08/97

07/01/2008

RPI 1956

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