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

SISTEMA EMPILHADO COERENTE DE ELEMENTOS PARA FORNECER ACESSO A UM LÍQUIDO OU MATERIAL ESPALHÁVEL ENCAPSULADO.

Em AnáliseInvention Patent

Application data

Number

PI8506569

Type

Invention Patent

Filing

12/30/1985

Publication

09/09/1986

Progress at the INPI

  1. Filing12/30/85
  2. Publication09/09/86
  3. Examination09/20/88
  4. Allowance12/01/92
  5. Grant06/29/93
  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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

695.045 · 01/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

04/01/1986

RPI 806

Carta-patente expirada

#21.1

Patente extinta em 30/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

Patent monitoring

Track this patent in real time.

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