Official data from INPI

APERFEIÇOAMENTO EM SUPORTE REGULÁVEL PARA FIXAÇÃO DE CALOTAS EM RODAS TRASEIRAS DE CAMINHÕES

ConcedidaUtility Model

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Application data

Number

MU6201790

Type

Utility Model

Filing

04/26/1982

Publication

07/27/1982

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Progress at the INPI

Filing04/26/82
Publication07/27/82
Examination09/21/82
Allowance03/18/86
Grant10/29/86
Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instaladora São Marcos Ltda

RS, BR

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Inventors

J. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1986

RPI 836

Deferimento

#9.1

03/18/1986

RPI 804

15.10

12/03/1985

RPI 789

Conhecimento de parecer técnico

#7.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação antecipada

#3.2

07/27/1982

RPI 614

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

From the same holder

DISPOSIÇÃO INTRODUZIDA EM RESERVATÓRIO RÍGIDO PARA CONTENÇÃO DE AR PRESSURIZADO OU SIMILAR CONJUNTO REGULÁVEL SUPORTE DE CALOTAS

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