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Official data from INPI

PROCESSO PARA O TRATAMENTO DE SUPERFÍCIES DE ALUMÍNIO DE TROCADORES DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8203804

Type

Invention Patent

Filing

06/29/1982

Publication

06/28/1983

Progress at the INPI

Awaiting grant fee payment
  1. Filing06/29/82
  2. Publication06/28/83
  3. Examination08/06/85
  4. Allowance11/01/88
  5. Grant
  6. In force

The application was allowed by the INPI on 11/01/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

Inventors

H. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

56-101703 · 06/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Republicação - classificação IPC

#15.11

11/22/1988

RPI 944

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

14.1

07/28/1987

RPI 875

Conhecimento de parecer técnico

#7.1

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

15.7

10/09/1990

RPI 1036

Retificação

#15.3

05/08/1990

RPI 1017

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