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Official data from INPI

CURSOR DE COMANDO PARA BOMBAS DE SUBSTÂNCIAS VISCOSAS OU CONSISTENTES.

DeferidaInvention Patent

Application data

Number

PI8603800

Type

Invention Patent

Filing

08/08/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing08/08/86
  2. Publication03/17/87
  3. Examination11/08/88
  4. Allowance11/28/89
  5. Grant06/26/90
  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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Friedrich Wilh. Schwing GMBH

DE

Schuling GmbH

DE

See this company's full portfolio

Inventors

F. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 28 746.2 · 08/10/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/28/1989

RPI 997

Solicitação de exame técnico

#4.1

11/08/1988

RPI 942

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

Carta-patente expirada

#21.1

Patente extinta em 08/08/2001

07/22/2008

RPI 1959

Alteração de nome deferida

#25.4

Alterado de: Friedrich Wilh., Schwing GmbH

09/08/1998

RPI 1446

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

04/03/1990

RPI 1012

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