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Official data from INPI

TAMPAO DE VEDACAO DO INTERIOR DE PECAS CILINDRICAS OCAS

ArquivadaInvention Patent

Application data

Number

PI7900674

Type

Invention Patent

Filing

05/18/1978

Publication

-

Progress at the INPI

  1. Filing05/18/78
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Abandoned
  6. In force

The application was allowed on 05/10/1983 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HALLIBURTON CO

See this company's full portfolio

Inventors

S. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

03/20/1984

RPI 700

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

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