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Official data from INPI

BOMBA DE CONCRETO PARA O PROCESSO DE JATEAMENTO ÚMIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100143

Type

Invention Patent

Filing

01/14/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/14/91
  2. Publication10/22/91
  3. Examination08/17/93
  4. Allowance08/09/94
  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

Friedrich Wilh. Schwing GmbH

DE

Schwing GmbH

DE

See this company's full portfolio

Inventors

G. S. (pessoa física)

DE

K. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 00 720.0 · 01/12/1990

DE

P 40 02 760.0 · 01/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/01/2006

06/22/2010

RPI 2059

Alteração de nome deferida

#25.4

Alterado de: Friedrich Wilhelm Schwing GmbH

09/15/1998

RPI 1447

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/06/1994

RPI 1253

Deferimento

#9.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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