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Official data from INPI

DISPOSITIVO AMORTECEDOR DE ACAO DIFERENCIADA

DeferidaInvention Patent

Application data

Number

PI8401599

Type

Invention Patent

Filing

04/08/1983

Publication

11/13/1984

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/08/83
  2. Publication11/13/84
  3. Examination08/19/86
  4. Allowance09/15/87
  5. Grant
  6. In force

The application was allowed by the INPI on 09/15/1987. The grant of the letters patent is being processed.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI [IT]

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Inventors

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/12/1988

RPI 925

Deferimento

#9.1

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

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