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Official data from INPI

PROCESSO E APARELHO PARA INSPECAO DE REVETIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8002804

Type

Invention Patent

Filing

05/09/1979

Publication

-

Progress at the INPI

  1. Filing05/09/79
  2. Publication
  3. Examination10/05/82
  4. Allowance02/21/84
  5. Grant07/31/84
  6. Terminated09/26/89

The patent was granted on 07/31/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHLUMBERGER SURENCO SA

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Inventors

B. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

10/05/1982

RPI 624

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