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

coluna de perfuração para perfuração com desvios, processo de perfuração de poço com desvios e dispositos desviador para perfuração.

Em AnáliseInvention Patent

Application data

Number

PI8603579

Type

Invention Patent

Filing

07/29/1986

Publication

03/04/1987

Progress at the INPI

  1. Filing07/29/86
  2. Publication03/04/87
  3. Abandoned06/06/89
  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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom.

FR

See this company's full portfolio

Inventors

G. O. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

85 11 608 · 07/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/06/1989

RPI 972

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Arquivamento - Art. 36 §1° da LPI

#11.2

08/07/1990

RPI 1027

6.2

01/09/1990

RPI 1001

Patent monitoring

Track this patent in real time.

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