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

VÁLVULA DE ESTRANGULAMENTO

ArquivadaInvention PatentPCT · US1990002767

Application data

Number

PI9007442

Type

Invention Patent

Filing

05/21/1990

Publication

06/16/1992

PCT

US1990002767

Progress at the INPI

  1. Filing05/21/90
  2. Publication06/16/92
  3. Examination07/13/93
  4. Allowance06/21/94
  5. Abandoned
  6. In force

The application was allowed on 06/21/1994 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: 05/02/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Keystone International Holdings Corp

US

See this company's full portfolio

Inventors

M. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

365.924 · 06/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

05/02/1995

RPI 1274

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Notificação de entrada na fase nacional - PCT

#1.3

06/16/1992

RPI 1124

Patent monitoring

Track this patent in real time.

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