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

DISPOSITIVO PARA A LIBERAÇÃO CONTROLADA DE INGREDIENTE ATIVO

ArquivadaInvention Patent

Application data

Number

PI9001378

Type

Invention Patent

Filing

03/26/1990

Publication

04/02/1991

Progress at the INPI

  1. Filing03/26/90
  2. Publication04/02/91
  3. Abandoned07/20/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/06/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bend Research, Inc.

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

US

K. S. (pessoa física)

M. H. (pessoa física)

Technical data

Priority claims

US

328.956 · 03/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

04/02/1991

RPI 1061

Pedido de patente depositado

#2.1

07/31/1990

RPI 1026

Patent monitoring

Track this patent in real time.

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