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Official data from INPI

BROCA PARA FAZER FUROS EM ROCHAS.

Em AnáliseInvention Patent

Application data

Number

PI7705841

Type

Invention Patent

Filing

08/30/1977

Publication

-

Progress at the INPI

  1. Filing08/30/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Terminated03/20/84

The patent was granted on 12/29/1981 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: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

Inventors

P. J. (pessoa física)

P. K. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

PL

192.149 · 08/31/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

03/20/1984

RPI 700

Concessão da patente

#16.1

12/29/1981

RPI 584

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