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Official data from INPI

DISPOSITIVO DE POSICIONAMENTO HIDRÁULICO DAS ESCORAS DE UM CONJUNTO HIDRÁULICO DE SUSTENTAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8200145

Type

Invention Patent

Filing

01/12/1982

Publication

11/03/1982

Progress at the INPI

  1. Filing01/12/82
  2. Publication11/03/82
  3. Examination01/08/85
  4. Allowance09/02/86
  5. Grant03/31/87
  6. Terminated10/16/90

The patent was granted on 03/31/1987 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mines de Potasse D'Alsace S.A.

FR

Inventors

P. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

80/27269 · 01/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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