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Official data from INPI

EXPANSOR BUCAL.

Em AnáliseInvention Patent

Application data

Number

PI8404829

Type

Invention Patent

Filing

09/20/1984

Publication

04/29/1986

Progress at the INPI

  1. Filing09/20/84
  2. Publication04/29/86
  3. Examination09/02/86
  4. Allowance10/22/91
  5. Grant08/25/92
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. L. (pessoa física)

SP, BR

Inventors

A. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

Carta-patente expirada

#21.1

Patente extinta em 20/09/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

04/02/1991

RPI 1061

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