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Official data from INPI

DISPOSITIVO PARA REALIZAÇÃO DE PERFURAÇÕES NO SOLO

Em ExigênciaInvention Patent

Application data

Number

PI8506245

Type

Invention Patent

Filing

12/12/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing12/12/85
  2. Publication08/26/86
  3. Examination07/07/87
  4. Allowance01/23/90
  5. Grant08/28/90
  6. Terminated08/15/95

The patent was granted on 08/28/1990 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Soletanche

FR

Inventors

H. B. (pessoa física)

FR

Y. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84.19053 · 12/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

07/07/1987

RPI 872

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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