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Official data from INPI

BROCA ROTATIVA DE PERFURAÇÃO E PROCESSO DE PERFURAÇÃO QUE USA A BROCA E CILINDRO SEPARADOR EMPREGADO COM A BROCA.

ArquivadaInvention Patent

Application data

Number

PI8100589

Type

Invention Patent

Filing

02/02/1981

Publication

-

Progress at the INPI

  1. Filing02/02/81
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/02/1981 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Drilling & Service U.K. Limited.

Inventors

B. J. (pessoa física)

Technical data

Priority claims

GB

80.03591 · 02/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/22/1985

RPI 744

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era E21B 9/36.

03/27/2018

RPI 2464

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