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Official data from INPI

FORMULAÇÃO E PROCESSO DE APLICAÇÃO DE PRODUTOS QUÍMICOS PARA MELHORIA DE RESISTÊNCIA DE ATERRAMENTO.

Em AnáliseInvention Patent
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Application data

Number

PI8200025

Type

Invention Patent

Filing

01/04/1982

Publication

09/13/1983
View on INPI

Progress at the INPI

Awaiting grant fee payment
  1. Filing01/04/82
  2. Publication09/13/83
  3. Examination10/23/84
  4. Allowance04/19/94
  5. Grant
  6. In force

The application was allowed by the INPI on 04/19/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Como Vent Indústria e Comércio Ltda

SP, BR

Inventors

R. A. (pessoa física)

BR

Technical data

IPC Classification

C09K 17/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.17

04/25/1989

RPI 966

Retificação

#15.6

04/25/1989

RPI 966

15.7

11/08/1988

RPI 942

Retificação

#15.3

05/31/1988

RPI 919

Conhecimento de parecer técnico

#7.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Solicitação de exame não realizada

#4.2

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Retificação

#15.3

10/04/1994

RPI 1244

Deferimento

#9.1

04/19/1994

RPI 1220

14.1

04/13/1993

RPI 1167

14.1

01/07/1992

RPI 1101

14.4

12/31/1991

RPI 1100

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

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