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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM TUBO DE RESPIRO PARA MERGULHADORES

Em AnáliseUtility Model

Application data

Number

MU6701216

Type

Utility Model

Filing

05/29/1987

Publication

11/10/1987

Progress at the INPI

  1. Filing05/29/87
  2. Publication11/10/87
  3. Examination12/29/87
  4. Allowance02/05/91
  5. Grant07/30/91
  6. Terminated10/31/95

The patent was granted on 07/30/1991 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. Amato - Indústria e Comércio de Calçados Ltda

SP, BR

Inventors

Â. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

12/29/1987

RPI 897

Publicação antecipada

#3.2

11/10/1987

RPI 890

Pedido de patente depositado

#2.1

11/03/1987

RPI 889

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

Deferimento

#9.1

02/05/1991

RPI 1053

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