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Official data from INPI

PLACA DE CIRCUITO IMPRESSO DE PAREDE POSTERIOR

Em AnáliseInvention Patent

Application data

Number

PI8801234

Type

Invention Patent

Filing

03/18/1988

Publication

10/25/1988

Progress at the INPI

  1. Filing03/18/88
  2. Publication10/25/88
  3. Examination02/14/89
  4. Allowance11/14/95
  5. Grant07/30/96
  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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

K. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 09 115.8 · 03/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

10/25/1988

RPI 940

Pedido de patente depositado

#2.1

05/17/1988

RPI 917

Carta-patente expirada

#21.1

Patente extinta em 18/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/14/1995

RPI 1302

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