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Official data from INPI

PROCESSO E APARELHAGEM PARA FABRICAÇÃO DE TUBO DE MATÉRIA PLÁSTICA ORIENTADA MOLECULARMENTE

ConcedidaInvention Patent

Application data

Number

PI8204608

Type

Invention Patent

Filing

08/05/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing08/05/82
  2. Publication07/26/83
  3. Examination09/17/85
  4. Allowance11/03/87
  5. Grant05/31/88
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

See this company's full portfolio

Inventors

M. O. (pessoa física)

BE

Technical data

Priority claims

FR

81.15427 · 08/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

8.1

07/02/1985

RPI 767

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

Patente extinta em 05/08/97

07/01/2008

RPI 1956

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