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Official data from INPI

DISPOSITIVO DE PERFURAÇÃO.

IndeferidaInvention Patent

Application data

Number

PI8207803

Type

Invention Patent

Filing

07/26/1982

Publication

09/06/1983

Progress at the INPI

Under appeal
  1. Filing07/26/82
  2. Publication09/06/83
  3. Examination02/26/85
  4. Refused09/27/88
  5. Grant
  6. In force

The application was refused by the INPI on 09/27/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engtech S.A

Inventors

W. [. (pessoa física)

Technical data

Priority claims

CH

5108881-2 · 08/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/27/1988

RPI 936

Conhecimento de parecer técnico

#7.1

10/13/1987

RPI 886

Conhecimento de parecer técnico

#7.1

03/17/1987

RPI 856

14.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Notificação de entrada na fase nacional - PCT

#1.3

09/06/1983

RPI 672

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