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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO DE SOLDAGEM DE DUAS PEÇAS POR FEIXE DE ELÉTRONS E DISPOSITIVO DE COLOCAÇÃO EM FUNCIONAMENTO DO PROCESSO.

ConcedidaInvention Patent

Application data

Number

PI8005799

Type

Invention Patent

Filing

09/11/1980

Publication

-

Progress at the INPI

  1. Filing09/11/80
  2. Publication
  3. Examination
  4. Allowance10/06/87
  5. Grant04/26/88
  6. Terminated08/02/94

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Française des Petroles S.A.

FR

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Inventors

B. C. (pessoa física)

C. C. (pessoa física)

D. B. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 22948 · 09/14/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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