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Official data from INPI

PROCESSO PARA A VERIFICAÇÃO DA CAPACIDADE DE FUNCIONAMENTO DE RESISTÊNCIAS DE CARGA LIGADAS EM PARALELO

Em AnáliseInvention Patent

Application data

Number

PI8700398

Type

Invention Patent

Filing

01/29/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing01/29/87
  2. Publication12/08/87
  3. Examination11/07/89
  4. Allowance06/08/93
  5. Grant10/26/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoeller & Hoelscher.

DE

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Inventors

D. B. (pessoa física)

DE

R. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 02 820.7 · 01/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/02/1987

RPI 867

Carta-patente expirada

#21.1

Patente extinta em 29/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/08/1993

RPI 1175

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