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Official data from INPI

PROCESSO PARA A PRODUCAO DE UMA BROCA DE PERFURACAO E BROCA DE PERFURACAO ASSIM PRODUZIDA

Em AnáliseInvention Patent

Application data

Number

PI7801796

Type

Invention Patent

Filing

03/25/1977

Publication

-

Progress at the INPI

  1. Filing03/25/77
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant11/29/83
  6. Terminated05/17/88

The patent was granted on 11/29/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SKF IND TRADING & DEV

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Inventors

N. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

12/22/1981

RPI 583

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