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Official data from INPI

CONJUNTO E PROCESSO PARA PRODUZIR AÇO EM UM RECIPIENTE INSUFLADO POR CIMA.

Em ExigênciaInvention Patent

Application data

Number

PI8500905

Type

Invention Patent

Filing

02/28/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing02/28/85
  2. Publication12/03/85
  3. Examination05/05/87
  4. Allowance02/22/94
  5. Grant10/25/94
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

604.099 · 04/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

05/21/1985

RPI 761

Carta-patente expirada

#21.1

Patente extinta em 28/02/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

9.1.3

04/19/1994

RPI 1220

Deferimento

#9.1

02/22/1994

RPI 1212

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

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