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

APERFEIÇOAMENTO EM MISTURADOR PARA MISTURAR PARTÍCULAS SÓLIDAS E LÍQUIDAS

PublicadaInvention Patent

Application data

Number

PI8704357

Type

Invention Patent

Filing

08/25/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/25/87
  2. Publication04/19/88
  3. Examination11/06/90
  4. Allowance05/30/95
  5. Grant11/28/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tri-Clover, Inc

US

Inventors

R. Z. (pessoa física)

US

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

901.366 · 08/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 25/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

10/10/1995

RPI 1297

Deferimento

#9.1

05/30/1995

RPI 1278

Conhecimento de parecer técnico

#7.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

Patent monitoring

Track this patent in real time.

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