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Official data from INPI

PROCESSO PARA OBTENÇÃO DE TELHAS PLANAS OU ONDULADAS DE CELULOSE , IMPREGNADAS COM ASFALTO E REVESTIDAS DE CIMENTO

Prazo de SigiloInvention Patent

Application data

Number

PI8803197

Type

Invention Patent

Filing

06/29/1988

Publication

02/06/1990

Progress at the INPI

Awaiting grant fee payment
  1. Filing06/29/88
  2. Publication02/06/90
  3. Examination02/04/92
  4. Allowance10/25/94
  5. Grant
  6. In force

The application was allowed by the INPI on 10/25/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

SP, BR

M. S. (pessoa física)

SP, BR

Inventors

C. B. (pessoa física)

BR

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

Retificação

#15.3

07/04/1995

RPI 1283

Notificação para pagamento de retribuição

#13.1

03/01/1995

RPI 1265

Deferimento

#9.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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