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Official data from INPI

CIRCUITO DE RESTRIÇÃO DE CORRENTE DE PICO

Em AnáliseInvention Patent

Application data

Number

PI8600130

Type

Invention Patent

Filing

01/10/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing01/10/86
  2. Publication09/01/87
  3. Examination10/10/89
  4. Allowance05/28/91
  5. Grant12/31/91
  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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

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Inventors

T. K. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/10/1989

RPI 990

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

04/22/1986

RPI 809

Carta-patente expirada

#21.1

Patente extinta em 10/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

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