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Official data from INPI

PRODUCAO DE OXIDOS DE ALIQUILENO E CATALISADORES PARA A MESMA

Em AnáliseInvention Patent

Application data

Number

PI7703414

Type

Invention Patent

Filing

05/28/1976

Publication

-

Progress at the INPI

  1. Filing05/28/76
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Terminated01/21/92

The patent was granted on 06/26/1984 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI LTD

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Inventors

C. R. (pessoa física)

H. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.1

08/15/1989

RPI 982

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

05/17/1983

RPI 656

Exigência - art. 36 da LPI

#6.1

11/03/1982

RPI 628

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

18.3

01/16/1990

RPI 1002

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