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Official data from INPI

APERFEIÇOAMENTO EM UM PROCESSO PARA SOLDAGEM CONJUNTA DE UM PAR DE SEÇÕES DE TUBO DE METAL.

Em AnáliseInvention Patent

Application data

Number

PI8003121

Type

Invention Patent

Filing

05/19/1980

Publication

-

Progress at the INPI

  1. Filing05/19/80
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated06/21/88

The patent was granted on 04/24/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C-I-L Inc.

CA

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Inventors

L. V. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

040514 · 05/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

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