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Official data from INPI

SISTEMA DE PAINEL,SENSÍVEL AO TOQUE, PARA ONDAS ACÚSTICAS

Em AnáliseInvention Patent

Application data

Number

PI8600459

Type

Invention Patent

Filing

02/04/1986

Publication

10/21/1986

Progress at the INPI

  1. Filing02/04/86
  2. Publication10/21/86
  3. Examination06/21/88
  4. Allowance05/17/94
  5. Grant11/29/94
  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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. F. (pessoa física)

US

M. B. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

698.306 · 02/05/1985

US

715.134 · 03/22/1985

US

741.975 · 06/06/1985

US

755.036 · 07/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

10/21/1986

RPI 835

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 04/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

09/27/1994

RPI 1243

Deferimento

#9.1

05/17/1994

RPI 1224

Exigência - art. 36 da LPI

#6.1

11/09/1993

RPI 1197

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