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Official data from INPI

Composições à base de poliamidas, reforçadas por fibras de vidro.

ConcedidaInvention Patent

Application data

Number

PI8008042

Type

Invention Patent

Filing

12/09/1980

Publication

-

Progress at the INPI

  1. Filing12/09/80
  2. Publication
  3. Examination08/16/83
  4. Allowance05/17/88
  5. Grant10/25/88
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 30651 · 12/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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