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

MECANISMO DE APRISIONAMENTO PARA SUSTENTAR LINHA DE CONDUTO CILÍNDRICO DENTRO DO FURO INTERNO DE UM CONDUTO ABRANGIDO EM FURO DE POÇO.

Em AnáliseInvention Patent

Application data

Number

PI8706846

Type

Invention Patent

Filing

12/16/1987

Publication

07/26/1988

Progress at the INPI

  1. Filing12/16/87
  2. Publication07/26/88
  3. Abandoned10/31/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hughes Tool Company

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

943.531 · 12/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

Patent monitoring

Track this patent in real time.

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