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Official data from INPI

FERRAMENTA DE POÇO.

ArquivadaInvention Patent

Application data

Number

PI8104516

Type

Invention Patent

Filing

07/14/1981

Publication

03/30/1982

Progress at the INPI

  1. Filing07/14/81
  2. Publication03/30/82
  3. Examination03/13/84
  4. Allowance03/11/86
  5. Abandoned
  6. In force

The application was allowed on 03/11/1986 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

See this company's full portfolio

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

169,095 · 07/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

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