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Official data from INPI

APERFEIÇOAMENTO EM ESPELHO RETROVISOR

ConcedidaInvention Patent

Application data

Number

PI8204755

Type

Invention Patent

Filing

08/12/1982

Publication

03/20/1984

Progress at the INPI

  1. Filing08/12/82
  2. Publication03/20/84
  3. Examination08/21/84
  4. Allowance03/01/88
  5. Grant10/25/88
  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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metagal Indústria e Comércio Ltda

SP, BR

See this company's full portfolio

Inventors

J. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

12/10/1985

RPI 790

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

Patente extinta em 12/08/97

07/01/2008

RPI 1956

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