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Official data from INPI

REVESTIMENTO DE MULTICAMADA DE FERRAMENTAS PARA CORTE DE METAL

Em AnáliseInvention Patent

Application data

Number

PI8108985

Type

Invention Patent

Filing

02/23/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing02/23/81
  2. Publication03/01/83
  3. Examination11/22/83
  4. Refused04/22/86
  5. Grant
  6. In force

The application was refused on 04/22/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VNI INSTRUMENT INST [SU]

Inventors

A. [. (pessoa física)

G. [. (pessoa física)

G. [. (pessoa física)

P. [. (pessoa física)

S. [. (pessoa física)

T. [. (pessoa física)

V. [. (pessoa física)

Z. [. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

04/22/1986

RPI 809

Petição de recurso

#12.2

04/02/1985

RPI 754

Indeferimento

#9.2

12/04/1984

RPI 737

Pedido de certificado de adição de invenção

#5.1

04/10/1984

RPI 703

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

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