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Official data from INPI

PERIL TUBULAR METALICO

Em AnáliseUtility Model

Application data

Number

MU6001544

Type

Utility Model

Filing

11/19/1980

Publication

-

Progress at the INPI

  1. Filing11/19/80
  2. Publication
  3. Examination02/16/82
  4. Allowance01/11/83
  5. Grant09/27/83
  6. Terminated10/10/89

The patent was granted on 09/27/1983 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TUBONAL FERRO E ACO LTD

Inventors

C. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

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