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Official data from INPI

VIDRACA FOLHEADA

ConcedidaInvention Patent

Application data

Number

PI8107878

Type

Invention Patent

Filing

12/11/1980

Publication

09/08/1982

Progress at the INPI

  1. Filing12/11/80
  2. Publication09/08/82
  3. Examination11/20/84
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAINT GOBAIN [FR]

Inventors

B. C. (pessoa física)

D. G. (pessoa física)

O. R. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

11/20/1984

RPI 735

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

Patente extinta em 04/12/96

08/19/2008

RPI 1963

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