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Official data from INPI

VIDRO DE SEGURANÇA

Prazo de SigiloInvention Patent

Application data

Number

PI8902499

Type

Invention Patent

Filing

05/04/1989

Publication

11/13/1990

Progress at the INPI

Technical opinion to answer
  1. Filing05/04/89
  2. Publication11/13/90
  3. Examination04/06/93
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. P. (pessoa física)

SP, BR

Inventors

E. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Retificação

#15.3

10/24/1995

RPI 1299

Conhecimento de parecer técnico

#7.1

02/07/1995

RPI 1262

Pedido de certificado de adição de invenção

#5.1

07/20/1993

RPI 1181

15.7

05/18/1993

RPI 1172

Solicitação de exame técnico

#4.1

04/06/1993

RPI 1166

Publicação do pedido de patente

#3.1

11/13/1990

RPI 1041

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