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Official data from INPI

PROCESSO PARA COBRIR UMA ESTRUTURA COM CHAPAS METALICAS ANTI-INCRUSTACAO E ESTRUTURA SUB-AQUATICA

Em AnáliseInvention Patent
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Application data

Number

PI8400063

Type

Invention Patent

Filing

01/06/1984

Publication

08/13/1985
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Progress at the INPI

Under appeal
  1. Filing01/06/84
  2. Publication08/13/85
  3. Examination01/21/86
  4. Refused06/11/91
  5. Grant
  6. In force

The application was refused by the INPI on 06/11/1991. The invention was never patented.

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Latest action published by the INPI: 06/03/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MITSUBISHI HEAVY IND LTD [JP]

Inventors

U. K. (pessoa física)

Technical data

IPC Classification

C23F 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

06/03/1986

RPI 815

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Republicação - classificação IPC

#15.11

10/01/1991

RPI 1087

Indeferimento

#9.2

06/11/1991

RPI 1071

Conhecimento de parecer técnico

#7.1

08/21/1990

RPI 1029

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