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Official data from INPI

COMPOSIÇÃO CURÁVEIS DE SILICONAQUE COMPREENDEM RESINA LÍQUIDA, E SEUS USOS.

ConcedidaInvention Patent
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Application data

Number

PI8108900

Type

Invention Patent

Filing

11/05/1981

Publication

10/26/1982
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Progress at the INPI

  1. Filing11/05/81
  2. Publication10/26/82
  3. Examination06/19/84
  4. Allowance03/07/89
  5. Grant08/29/89
  6. Terminated03/19/96

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

Technical data

IPC Classification

C08G 77/16

Priority claims

US

212.189 · 12/02/1980

US

PCT/81/01489 · 11/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

Conhecimento de parecer técnico

#7.1

04/30/1985

RPI 758

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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