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Official data from INPI

APERFEICOAMENTO EM ELEVADOR HIDRAULICO

Em AnáliseInvention Patent

Application data

Number

PI8105731

Type

Invention Patent

Filing

09/08/1981

Publication

12/08/1981

Progress at the INPI

  1. Filing09/08/81
  2. Publication12/08/81
  3. Examination03/09/82
  4. Allowance07/10/84
  5. Grant01/29/85
  6. Terminated06/21/88

The patent was granted on 01/29/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HIDRAULICOS MANFRO LTD

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação antecipada

#3.2

12/08/1981

RPI 581

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

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