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Official data from INPI

PROCESSO E DISPOSITIVO PARA A FUSÀO DO VIDRO.

PublicadaInvention Patent

Application data

Number

PI8705413

Type

Invention Patent

Filing

10/09/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/09/87
  2. Publication05/24/88
  3. Examination10/23/90
  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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. V. (pessoa física)

FR

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Inventors

J. B. (pessoa física)

FR

M. C. (pessoa física)

FR

R. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 14172 · 10/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 09/10/2002

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

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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