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Official data from INPI

MECANISMO DE PERFURAÇÃO DE ROCHA E HASTE DE BROCA PARA ESSE MECANISMO.

ArquivadaInvention Patent

Application data

Number

PI8601693

Type

Invention Patent

Filing

04/15/1986

Publication

12/16/1986

Progress at the INPI

  1. Filing04/15/86
  2. Publication12/16/86
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/15/1986 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

K. A. (pessoa física)

Technical data

Priority claims

SE

8501842-2 · 04/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/28/1989

RPI 962

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E21C 3/00; E21B 17/042.

03/27/2018

RPI 2464

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