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Official data from INPI

UNIDADE REBOCÁVEL PARA ASPERSÃO DE PRODUTOS BETUMINOSOS

Em AnáliseUtility Model

Application data

Number

MU6400373

Type

Utility Model

Filing

03/14/1984

Publication

10/22/1985

Progress at the INPI

Under appeal
  1. Filing03/14/84
  2. Publication10/22/85
  3. Examination02/10/87
  4. Refused02/17/88
  5. Grant
  6. In force

The application was refused by the INPI on 02/17/1988. The invention was never patented.

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Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

N. C. (pessoa física)

O. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.7

10/18/1988

RPI 939

Indeferimento

#9.2

02/17/1988

RPI 904

Pedido de certificado de adição de invenção

#5.1

07/14/1987

RPI 873

Solicitação de exame técnico

#4.1

02/10/1987

RPI 851

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

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