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Official data from INPI

DISPOSITIVO DE PENETRACAO DE RECIPIENTE DE PRESSAO PARA REATOR E PROCESSO PARA INSPECIONAR UMA SOLDA DE FIXACAO EM DITO DISPOSITIVO

Em AnáliseInvention Patent

Application data

Number

PI7601271

Type

Invention Patent

Filing

04/21/1975

Publication

-

Progress at the INPI

  1. Filing04/21/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Terminated11/17/87

The patent was granted on 06/29/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO

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Inventors

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

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