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Official data from INPI

APERFEIÇOAMENTOS EM PORTA CORREDIÇA DE VIDRO OU SIMILAR

ConcedidaInvention Patent

Application data

Number

PI8504305

Type

Invention Patent

Filing

09/06/1985

Publication

04/14/1987

Progress at the INPI

  1. Filing09/06/85
  2. Publication04/14/87
  3. Examination12/15/87
  4. Allowance03/28/89
  5. Grant10/24/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Blindex Vidros de Segurança Ltda.

SP, BR

Inventors

R. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

12/15/1987

RPI 895

Publicação do pedido de patente

#3.1

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 06/09/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

05/14/1991

RPI 1067

20.4

05/07/1991

RPI 1066

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