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Official data from INPI

CONEXAO PARA TUBOS

Em AnáliseUtility Model

Application data

Number

MU6100556

Type

Utility Model

Filing

04/30/1981

Publication

12/14/1982

Progress at the INPI

  1. Filing04/30/81
  2. Publication12/14/82
  3. Examination03/01/83
  4. Allowance12/11/84
  5. Grant06/24/86
  6. Terminated10/30/90

The patent was granted on 06/24/1986 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALURGICA MILMAR IND & COMER [BR]

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

02/17/1988

RPI 904

Pedido de licença voluntária

#17.1

07/21/1987

RPI 874

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

03/11/1986

RPI 803

110

11/26/1985

RPI 788

Recurso

#12.1

03/19/1985

RPI 752

Deferimento

#9.1

12/11/1984

RPI 738

Pedido de certificado de adição de invenção

#5.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

03/01/1983

RPI 645

Publicação do pedido de patente

#3.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

10/30/1990

RPI 1039

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