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Official data from INPI

AMOSTRADOR À SUCÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8804295

Type

Invention Patent

Filing

08/24/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing08/24/88
  2. Publication12/20/88
  3. Examination04/18/89
  4. Allowance11/16/93
  5. Grant08/30/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. P. (pessoa física)

SP, BR

Inventors

L. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/18/1989

RPI 965

Publicação antecipada

#3.2

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Carta-patente expirada

#21.1

Patente extinta em 24/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/16/1993

RPI 1198

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