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

SISTEMA DE CONTROLE DE FLUXO AMPLIFICADO E VÁLVULA DE CONTROLE DIRECIONAL COMPENSADA POR PRESSÃO

ArquivadaInvention PatentPCT · US1989003430

Application data

Number

PI8907551

Type

Invention Patent

Filing

08/11/1989

Publication

06/18/1991

PCT

US1989003430

Progress at the INPI

  1. Filing08/11/89
  2. Publication06/18/91
  3. Examination06/08/93
  4. Allowance03/22/94
  5. Abandoned
  6. In force

The application was allowed on 03/22/1994 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: 12/27/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

G. G. (pessoa física)

J. W. (pessoa física)

Technical data

Priority claims

US

346,965 · 05/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

06/18/1991

RPI 1072

Patent monitoring

Track this patent in real time.

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