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Official data from INPI

ISOLADOR DE ALTA VOLTAGEM, ALONGADO

Em AnáliseInvention Patent

Application data

Number

PI8202198

Type

Invention Patent

Filing

04/16/1982

Publication

11/22/1983

Progress at the INPI

  1. Filing04/16/82
  2. Publication11/22/83
  3. Examination03/07/84
  4. Allowance07/30/85
  5. Grant02/25/86
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

Inventors

A. C. (pessoa física)

US

E. W. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

06/28/1988

RPI 923

20.7

06/21/1988

RPI 922

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

Patente extinta em 16/04/97

07/01/2008

RPI 1956

20.11

07/30/1996

RPI 1339

Pedido de licença compulsória

#20.1

09/05/1995

RPI 1292

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