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Official data from INPI

DISPOSITIVO ALIMENTADOR PARA A ADUÇÃO DE MATERIAL GLANULADO A UM LAMINADOR DE MOENDA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101213

Type

Invention Patent

Filing

03/27/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/27/91
  2. Publication11/05/91
  3. Examination11/17/92
  4. Allowance07/26/94
  5. Grant04/25/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buehler AG

CH

See this company's full portfolio

Inventors

E. R. (pessoa física)

CH

H. H. (pessoa física)

CH

J. H. (pessoa física)

CH

Technical data

Priority claims

DE

P 40 10 405.2 · 03/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/03/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/22/1994

RPI 1251

Deferimento

#9.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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