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Official data from INPI

ELASTÔMEROS DE EMULSÃO DE POLISSILOXANA REFORÇADOS COM COPOLÍMEROS DE ORGANO-SILICONE EMULSIFICADOS.

ConcedidaInvention Patent

Application data

Number

PI8108810

Type

Invention Patent

Filing

04/16/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing04/16/81
  2. Publication08/24/82
  3. Examination05/02/84
  4. Allowance11/03/87
  5. Grant05/31/88
  6. Terminated03/19/96

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain 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

D. C. (pessoa física)

US

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Inventors

H. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

192.397 · 09/30/1980

US

PCT/81/00513 · 04/16/1981

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

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Notificação de entrada na fase nacional - PCT

#1.3

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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