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

PROCESSO PARA MOVIMENTAR PARTÍCULAS EM SUSPENSÃO ATRAVÉS DE DISPOSITIVO CONTADOR DE PARTÍCULAS E APARELHO ANALISADOR DE PARTÍCULAS.

Em ExigênciaInvention Patent

Application data

Number

PI8505007

Type

Invention Patent

Filing

01/24/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing01/24/85
  2. Publication01/21/86
  3. Examination10/06/87
  4. Allowance04/03/90
  5. Grant12/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coulter Electronics, Inc.

US

Inventors

B. J. (pessoa física)

US

O. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

576.096 · 02/01/1984

US

PCT/85/00121 · 01/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

01/21/1986

RPI 796

Carta-patente expirada

#21.1

Patente extinta em 24/01/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/03/1990

RPI 1012

Related

Same category

Patent monitoring

Track this patent in real time.

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