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

VÁLVULA DE DOSAGEM

Arquivada/ExtintaInvention PatentPCT · US1988000347

Application data

Number

PI8807583

Type

Invention Patent

Filing

02/05/1988

Publication

05/08/1990

PCT

US1988000347

Progress at the INPI

  1. Filing02/05/88
  2. Publication05/08/90
  3. Examination06/25/91
  4. Allowance08/24/93
  5. Grant03/29/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allied-Signal Inc

US

See this company's full portfolio

Inventors

D. C. (pessoa física)

US

J. S. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

067.514 · 06/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/02/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

Solicitação de exame não realizada

#4.2

04/09/1991

RPI 1062

Notificação de entrada na fase nacional - PCT

#1.3

05/08/1990

RPI 1017

Patent monitoring

Track this patent in real time.

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