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Official data from INPI

ARTIGO PARA TRATAMENTO DE SUPERFÍCIE E PROCESSO PARA SUA FABRICAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9101203

Type

Invention Patent

Filing

03/26/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/26/91
  2. Publication11/05/91
  3. Abandoned12/28/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/24/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

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Inventors

G. F. (pessoa física)

US

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

501,661 · 03/29/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/24/2001

RPI 1594

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 C08J 5/12, B24D 3/28 e B32B 27/12.

07/24/2001

RPI 1594

Exigência - art. 36 da LPI

#6.1

03/08/2000

RPI 1522

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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