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Official data from INPI

PLASTIFICANTE PARA INTERCALAR EM POLIVINIBUTIRAL UTILIZADO EM VIDRACA FOLHADA E POLIVINILBUTIRAL

Concessão AnuladaInvention Patent

Application data

Number

PI8107698

Type

Invention Patent

Filing

12/02/1980

Publication

08/24/1982

Progress at the INPI

  1. Filing12/02/80
  2. Publication08/24/82
  3. Examination11/06/84
  4. Allowance05/17/88
  5. Grant11/29/88
  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: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAINT GOBAIN VITRAGE [FR]

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Inventors

D. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

01/24/1989

RPI 953

Concessão da patente

#16.1

11/29/1988

RPI 945

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

08/04/1987

RPI 876

Conhecimento de parecer técnico

#7.1

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

Patente extinta em 26/11/96

08/19/2008

RPI 1963

Pedido de licença compulsória

#20.1

06/21/1994

RPI 1229

20.4

06/14/1994

RPI 1228

20.7

06/07/1994

RPI 1227

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