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Official data from INPI

APERFEIÇOAMENTO EM CILINDRO HIDRÁULICO

PublicadaInvention Patent

Application data

Number

PI8706188

Type

Invention Patent

Filing

11/17/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing11/17/87
  2. Publication05/17/88
  3. Examination10/23/90
  4. Allowance08/27/91
  5. Grant12/29/92
  6. Terminated12/31/96

The patent was granted on 12/29/1992 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Industrial Hydraulics Ltda

SP, BR

Inventors

J. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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