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Official data from INPI

APERFEICOAMENTOS EM CONEXOES TUBULARES

Em AnáliseUtility Model

Application data

Number

MU6100888

Type

Utility Model

Filing

07/03/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing07/03/81
  2. Publication10/06/81
  3. Examination12/22/81
  4. Allowance08/28/84
  5. Grant02/26/85
  6. Terminated07/12/88

The patent was granted on 02/26/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RODRIGUES J [BR]

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Pedido de licença compulsória

#20.1

10/08/1985

RPI 781

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

Publicação antecipada

#3.2

10/06/1981

RPI 572

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