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Official data from INPI

MICROCAPSULA DE LIBERAÇÃO CONTROLADA

Em AnáliseInvention Patent

Application data

Number

PI8405324

Type

Invention Patent

Filing

10/19/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/19/84
  2. Publication09/03/85
  3. Examination09/29/87
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated05/14/96

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bend Research, Inc.

US

See this company's full portfolio

Inventors

R. B. (pessoa física)

US

Technical data

Priority claims

US

544.251 · 10/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/29/1987

RPI 884

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

06/05/1990

RPI 1021

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