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Official data from INPI

APLICADOR DE MEDICAMENTOS TRANSDÉRMICO

PublicadaInvention Patent

Application data

Number

PI8603859

Type

Invention Patent

Filing

08/13/1986

Publication

11/17/1987

Progress at the INPI

  1. Filing08/13/86
  2. Publication11/17/87
  3. Examination07/31/90
  4. Allowance06/01/93
  5. Grant10/26/93
  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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Drug Delivery Systems Inc.

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

839.523 · 03/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/17/1987

RPI 891

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Carta-patente expirada

#21.1

Patente extinta em 13/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/01/1993

RPI 1174

Conhecimento de parecer técnico

#7.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

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