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Official data from INPI

APARELHO PARA MEDIÇÃO GRAVIMÉTRICA CONTÍNUA DE MATERIAL DESPEJÁVEL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103530

Type

Invention Patent

Filing

08/16/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/16/91
  2. Publication05/12/92
  3. Examination11/10/92
  4. Allowance07/11/95
  5. Grant03/26/96
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pfister GmbH

DE

See this company's full portfolio

Inventors

H. H. (pessoa física)

DE

Technical data

Priority claims

DE

P 40 26 043.7 · 08/17/1990

EP

91104733.0 · 03/26/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/08/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

11/21/1995

RPI 1303

Deferimento

#9.1

07/11/1995

RPI 1284

Solicitação de exame técnico

#4.1

11/10/1992

RPI 1145

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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