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Official data from INPI

PROCESSO DE FABRICACAO DO SULFATO DE MANGANES

Em AnáliseInvention Patent

Application data

Number

PI7602874

Type

Invention Patent

Filing

05/07/1976

Publication

-

Progress at the INPI

  1. Filing05/07/76
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Grant06/21/83
  6. Terminated10/23/84

The patent was granted on 06/21/1983 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: 10/23/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

DUARTE E

Inventors

B. C. (pessoa física)

D. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/23/1984

RPI 731

Concessão da patente

#16.1

06/21/1983

RPI 661

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Deferimento

#9.1

08/17/1982

RPI 617

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