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Official data from INPI

APERFEIÇOAMENTO EM ESPELHO RETROVISOR

ConcedidaInvention Patent

Application data

Number

PI8303764

Type

Invention Patent

Filing

07/11/1983

Publication

02/26/1985

Progress at the INPI

  1. Filing07/11/83
  2. Publication02/26/85
  3. Examination07/30/85
  4. Allowance12/29/87
  5. Grant09/27/88
  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: 09/27/1988. 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

G. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

399,636 · 07/19/1982

US

399.636 · 07/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Pedido de certificado de adição de invenção

#5.1

12/17/1985

RPI 791

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

Carta-patente expirada

#21.1

Patente extinta em 11/07/98

07/01/2008

RPI 1956

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