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Official data from INPI

PROCESSO E APARELHO PARA FABRICAÇÃO DE VIDRO CURVADO.

Em AnáliseInvention Patent

Application data

Number

PI8700774

Type

Invention Patent

Filing

02/19/1987

Publication

12/15/1987

Progress at the INPI

  1. Filing02/19/87
  2. Publication12/15/87
  3. Examination05/02/89
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pilkington Plc

GB

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Inventors

J. B. (pessoa física)

GB

W. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8604246 · 02/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/02/1989

RPI 967

Publicação do pedido de patente

#3.1

12/15/1987

RPI 895

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Carta-patente expirada

#21.1

Patente extinta em 19/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

Exigência - art. 36 da LPI

#6.1

11/12/1991

RPI 1093

14.4

04/16/1991

RPI 1063

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