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Official data from INPI

Composições de organo-silício que podem ser curadas e que contém cargas de reforço.

ConcedidaInvention Patent

Application data

Number

PI8008349

Type

Invention Patent

Filing

12/19/1980

Publication

-

Progress at the INPI

  1. Filing12/19/80
  2. Publication
  3. Examination
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Terminated08/09/94

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

See this company's full portfolio

Inventors

L. R. (pessoa física)

V. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 31218 · 12/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

08/04/1987

RPI 876

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

6.2

12/07/1982

RPI 633

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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