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

ARRANJO DE MONTAGEM PARA UM DISPOSITIVO DE FLUXO CRÍTICO

Em AnáliseInvention Patent

Application data

Number

PI8602829

Type

Invention Patent

Filing

05/16/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing05/16/86
  2. Publication02/10/87
  3. Examination06/30/87
  4. Allowance08/21/90
  5. Grant03/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Meter Company

US

Inventors

I. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

734.937 · 05/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 16/05/2001

07/22/2008

RPI 1959

Republicação - classificação IPC

#15.11

04/30/1991

RPI 1065

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

12/04/1990

RPI 1044

Deferimento

#9.1

08/21/1990

RPI 1029

Related

Same category

Patent monitoring

Track this patent in real time.

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