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Official data from INPI

FILAMENTOS, FIOS E FIBRAS À BASE DE POLICLORETO DE VINILA E POLÍMERO ACRÍLICO E PROCESSO PARA A OBTENÇÃO DESTES FILAMENTOS, FIOS E FIBRAS

DeferidaInvention Patent

Application data

Number

PI8301758

Type

Invention Patent

Filing

03/30/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing03/30/83
  2. Publication12/13/83
  3. Examination02/18/86
  4. Allowance08/29/89
  5. Grant04/24/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhovyl

FR

Inventors

G. A. (pessoa física)

FR

J. M. (pessoa física)

FR

P. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

82/05843 · 04/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

05/24/1983

RPI 657

Carta-patente expirada

#21.1

Patente extinta em 30/03/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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