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Official data from INPI

AÇO INOXIDÁVEL FERRÍTICO ULTRAMACIO

Em AnáliseInvention Patent

Application data

Number

PI8600709

Type

Invention Patent

Filing

02/19/1986

Publication

10/29/1986

Progress at the INPI

  1. Filing02/19/86
  2. Publication10/29/86
  3. Examination02/17/87
  4. Allowance06/29/93
  5. Grant11/30/93
  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: 02/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

JP

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Inventors

S. S. (pessoa física)

JP

T. N. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

60-31020 · 02/19/1985

JP

60-77876 · 04/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/17/1987

RPI 852

Publicação do pedido de patente

#3.1

10/29/1986

RPI 836

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 19/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/30/1993

RPI 1200

Deferimento

#9.1

06/29/1993

RPI 1178

Exigência - art. 36 da LPI

#6.1

04/21/1992

RPI 1116

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