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Official data from INPI

SOLUCOES CONFORMAVEIS HOMOGENEAS A BASE DE POLICLORETO DE VINILA, PROCESSO PARA A OBTENCAO DESTAS SOLUCOES, FILAMENTOS, FIOS E FIBRAS A BASE DE POLICLORETO DE VINILA E PROCESSO PARA A OBTENCAO DESTES FILAMENTOS, FIOS E FIBRAS

ConcedidaInvention Patent

Application data

Number

PI8301757

Type

Invention Patent

Filing

04/01/1982

Publication

12/13/1983

Progress at the INPI

  1. Filing04/01/82
  2. Publication12/13/83
  3. Examination02/18/86
  4. Allowance02/09/88
  5. Grant09/27/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHOVYL [FR]

Inventors

A. G. (pessoa física)

M. J. (pessoa física)

T. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

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

08/19/2008

RPI 1963

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