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Official data from INPI

PROCESSO PARA CONVERSAO DE HIDROCARBONETOS AROMATICOS C8

Em AnáliseInvention Patent

Application data

Number

PI7703635

Type

Invention Patent

Filing

06/04/1976

Publication

-

Progress at the INPI

  1. Filing06/04/76
  2. Publication
  3. Examination
  4. Allowance11/16/82
  5. Grant05/31/83
  6. Terminated12/15/87

The patent was granted on 05/31/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. K. (pessoa física)

Inventors

F. H. (pessoa física)

K. S. (pessoa física)

K. K. (pessoa física)

N. Y. (pessoa física)

W. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Deferimento

#9.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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