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Official data from INPI

COMPOSICAO POLIMERICA ESTABILIZADA EM RELACAO A AGUA, ALUMINA HIDRATADA ESTABILIZADA EM RELACAO A AGUA, PROCESSO PARA PRODUCAO DE TAL ALUMINA, ARTIGO DIMENSIONALMENTE RECUPERAVEL, E EQUIPAMENTO ELETRICO

ConcedidaInvention Patent

Application data

Number

PI8007125

Type

Invention Patent

Filing

11/03/1979

Publication

-

Progress at the INPI

  1. Filing11/03/79
  2. Publication
  3. Examination08/09/83
  4. Allowance05/09/89
  5. Grant10/24/89
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Raychem Limited

GB

See this company's full portfolio

Inventors

R. P. (pessoa física)

R. S. (pessoa física)

Technical data

Priority claims

GB

7938148 · 11/03/1979

GB

7938155 · 11/03/1979

GB

8022866 · 07/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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