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Official data from INPI

DISPOSITIVO PARA A ALIMENTAÇÃO DE UMA CARDA ATRAVÉS DE DOIS CANAIS DE ENCHIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8600118

Type

Invention Patent

Filing

01/14/1986

Publication

09/23/1986

Progress at the INPI

  1. Filing01/14/86
  2. Publication09/23/86
  3. Examination03/15/88
  4. Allowance08/20/91
  5. Grant04/28/92
  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: 03/15/1988. 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

D. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 04 607.4 · 02/11/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

09/23/1986

RPI 831

Pedido de patente depositado

#2.1

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 14/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

12/17/1991

RPI 1098

Deferimento

#9.1

08/20/1991

RPI 1081

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

05/15/1990

RPI 1018

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