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Official data from INPI

DISPOSITIVO PARA A ALIMENTAÇÃO DE UMA CARDA POR MEIO DE DOIS CANAIS DE ENCHIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8600323

Type

Invention Patent

Filing

01/28/1986

Publication

10/07/1986

Progress at the INPI

  1. Filing01/28/86
  2. Publication10/07/86
  3. Examination03/01/88
  4. Allowance09/08/93
  5. Grant03/29/94
  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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trutzschler GMBH & Co. KG

DE

See this company's full portfolio

Inventors

B. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 04 607.4 · 02/11/1985

DE

P 35 28 853.1 · 06/07/1985

DE

P 35 30 327.1 · 08/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Publicação do pedido de patente

#3.1

10/07/1986

RPI 833

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Carta-patente expirada

#21.1

Patente extinta em 28/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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