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Official data from INPI

CATALISADOR DE OXIDO DE VANADIO SUPORTADO APERFEICOADO,PROCESSO PARA SUA PRODUCAO E PROCESSO PARA AMONOXIDACAO CATALITICA

Em AnáliseInvention Patent

Application data

Number

PI7706375

Type

Invention Patent

Filing

09/27/1976

Publication

-

Progress at the INPI

  1. Filing09/27/76
  2. Publication
  3. Examination
  4. Allowance07/20/82
  5. Grant01/25/83
  6. Terminated01/21/92

The patent was granted on 01/25/1983 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: 12/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUMMUS CO

Inventors

S. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/18/1984

RPI 739

22.9

03/29/1983

RPI 649

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

12/07/1982

RPI 633

Deferimento

#9.1

07/20/1982

RPI 613

Exigência - art. 36 da LPI

#6.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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