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Official data from INPI

ANEL PARA A FABRICAÇÃO DE PLACAS POLÍMEROS POR FUNDIÇÃO E SEU PROCESSO DE FABRICAÇÃO

Arquivada/ExtintaInvention PatentPCT · FR1988000049
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Application data

Number

PI8805120

Type

Invention Patent

Filing

01/28/1988

Publication

08/15/1989

PCT

FR1988000049
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Progress at the INPI

  1. Filing01/28/88
  2. Publication08/15/89
  3. Examination08/14/90
  4. Allowance02/06/96
  5. Grant11/26/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elf Atochem S/A

FR

Norsolor

FR

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Inventors

J. L. (pessoa física)

FR

J. B. (pessoa física)

FR

Technical data

IPC Classification

B29C 39/32

Priority claims

FR

87/01.049 · 01/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 28/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/26/1996

RPI 1356

Notificação para pagamento de retribuição

#13.1

07/16/1996

RPI 1337

Deferimento

#9.1

02/06/1996

RPI 1314

14.4

03/01/1994

RPI 1213

14.1

05/26/1992

RPI 1121

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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