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Official data from INPI

DISPOSITIVO DE CONFORMAÇÃO DE MATERIAIS EM FOLHAS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8906860

Type

Invention Patent

Filing

12/29/1989

Publication

09/25/1990
View on INPI

Progress at the INPI

  1. Filing12/29/89
  2. Publication09/25/90
  3. Examination03/30/93
  4. Allowance11/14/95
  5. Grant08/27/96
  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.

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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

B21D 22/10

Priority claims

FR

88 17 525 · 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

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Republicação - classificação IPC

#15.11

01/30/1996

RPI 1313

Deferimento

#9.1

11/14/1995

RPI 1302

Republicação - classificação IPC

#15.11

08/29/1995

RPI 1291

Exigência - art. 36 da LPI

#6.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

09/25/1990

RPI 1034

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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