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Official data from INPI

CONJUNTO ARTICULADO DE BOMBA-MERGULHADORA E CACAMBA PARA UMA MAQUINA DE ESCAVAR TUNEL

Em AnáliseInvention Patent

Application data

Number

PI8001293

Type

Invention Patent

Filing

02/21/1979

Publication

-

Progress at the INPI

  1. Filing02/21/79
  2. Publication
  3. Examination08/24/82
  4. Allowance05/31/83
  5. Grant01/31/84
  6. Terminated06/21/88

The patent was granted on 01/31/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ZOKOR INT LTD

Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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