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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300231

Type

Invention Patent

Filing

01/18/1983

Publication

10/18/1983

Progress at the INPI

  1. Filing01/18/83
  2. Publication10/18/83
  3. Examination02/04/86
  4. Allowance08/02/88
  5. Grant03/28/89
  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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Saint_ Gobain Vitrage

FR

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Inventors

H. F. (pessoa física)

R. H. (pessoa física)

S. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

6.2

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

Patente extinta em 18/01/98

07/01/2008

RPI 1956

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