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Official data from INPI

DIFERENCIAL AUTO-BLOCANTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905630

Type

Invention Patent

Filing

11/01/1989

Publication

06/05/1990

Progress at the INPI

  1. Filing11/01/89
  2. Publication06/05/90
  3. Examination03/12/91
  4. Allowance06/14/94
  5. Grant03/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

IT

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Inventors

A. R. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

22484-A/88 · 11/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Exigência - art. 36 da LPI

#6.1

10/26/1993

RPI 1195

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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