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Official data from INPI

PROCESSO E DISPOSITIVO DE CONFORMAÇÃO DE MATERIAIS EM FOLHA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906856

Type

Invention Patent

Filing

12/29/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/29/89
  2. Publication08/21/90
  3. Examination12/26/90
  4. Allowance12/05/95
  5. Grant09/24/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ISOFORM

FR

Inventors

G. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 17 524 · 12/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

09/24/1996

RPI 1347

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

12/26/1990

RPI 1047

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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