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Official data from INPI

MÁSCARA DESCARTÁVEL

Em ExigênciaUtility Model

Application data

Number

MU6601344

Type

Utility Model

Filing

08/04/1986

Publication

06/23/1987

Progress at the INPI

  1. Filing08/04/86
  2. Publication06/23/87
  3. Examination09/01/87
  4. Allowance02/01/90
  5. Grant09/25/90
  6. Terminated11/14/95

The patent was granted on 09/25/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Protin Equipamentos Individuais de Proteção Ltda.

SP, BR

Inventors

W. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação antecipada

#3.2

06/23/1987

RPI 870

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

02/01/1990

RPI 1004

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