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Official data from INPI

MÉTODO E APARELHO PARA PERFURAÇÃO DE SOLO.

IndeferidaInvention Patent

Application data

Number

PI8303989

Type

Invention Patent

Filing

07/26/1983

Publication

02/28/1984

Progress at the INPI

Under appeal
  1. Filing07/26/83
  2. Publication02/28/84
  3. Examination05/13/86
  4. Refused06/07/88
  5. Grant
  6. In force

The application was refused by the INPI on 06/07/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/07/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. I. (pessoa física)

US

R. D. (pessoa física)

US

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

401.613 · 07/26/1982

US

471.430 · 03/02/1983

US

471.437 · 03/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/07/1988

RPI 920

Conhecimento de parecer técnico

#7.1

08/18/1987

RPI 878

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

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