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Official data from INPI

APERFEICOAMENTOS EM FERRAMENTA DE SONDAGEM POR IMPACTO,EM ALIMENTADOR PARA A MESMA E EM FERRAMENTA PERFURATRIZ

Em AnáliseInvention Patent

Application data

Number

PI7700773

Type

Invention Patent

Filing

02/09/1976

Publication

-

Progress at the INPI

  1. Filing02/09/76
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Grant02/22/83
  6. Terminated08/20/85

The patent was granted on 02/22/1983 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: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REED TOOL CO

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/20/1985

RPI 774

Cessão de direito de exploração

#22.1

12/04/1984

RPI 737

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Deferimento

#9.1

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

6.2

10/06/1981

RPI 572

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