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Official data from INPI

APERFEIÇOAMENTO EM EQUIPAMENTO DE EXTRAÇÃO DE MINÉRIO DE JAZIDAS SUBMERSAS.

ConcedidaInvention Patent

Application data

Number

PI8101917

Type

Invention Patent

Filing

03/31/1981

Publication

-

Progress at the INPI

  1. Filing03/31/81
  2. Publication
  3. Examination
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated08/23/94

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

Inventors

D. Y. (pessoa física)

R. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Alteração de dados cadastrais

#1.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

20.4

11/13/1990

RPI 1041

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