(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APARELHO PARA CONTROLAR OPERAÇÃO DE FERRAMENTA DE FUNDO DE POÇO

ArquivadaInvention PatentPCT · US1987000500

Application data

Number

PI8707518

Type

Invention Patent

Filing

03/09/1987

Publication

02/21/1989

PCT

US1987000500

Progress at the INPI

  1. Filing03/09/87
  2. Publication02/21/89
  3. Examination01/28/92
  4. Allowance07/20/93
  5. Abandoned
  6. In force

The application was allowed on 07/20/1993 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Smith International, Inc

US

See this company's full portfolio

Inventors

T. F. (pessoa física)

W. S. (pessoa física)

Technical data

Priority claims

US

924.908 · 10/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

02/21/1989

RPI 957

Arquivamento - Art. 38 §2° da LPI

#11.4

06/07/1994

RPI 1227

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

01/28/1992

RPI 1104

Solicitação de exame não realizada

#4.2

06/25/1991

RPI 1073

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.