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Official data from INPI

SISTEMA DE ELIMINAÇÃO DE AR NO CARREGAMENTO DE CAMINHÕES TANQUE POR BAIXO

Em AnáliseInvention Patent
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Application data

Number

PI8800378

Type

Invention Patent

Filing

01/29/1988

Publication

05/10/1988
View on INPI

Progress at the INPI

Awaiting grant fee payment
  1. Filing01/29/88
  2. Publication05/10/88
  3. Examination09/20/88
  4. Allowance09/03/91
  5. Grant
  6. In force

The application was allowed by the INPI on 09/03/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Brasil S.A

RJ, BR

Inventors

R. G. (pessoa física)

BR

Technical data

IPC Classification

B60P 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação antecipada

#3.2

05/10/1988

RPI 916

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B67D 5/04.

03/27/2018

RPI 2464

Retificação

#15.3

02/11/1992

RPI 1106

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Deferimento

#9.1

09/03/1991

RPI 1083

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