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Official data from INPI

BOMBA DE DOIS CILINDROS PARA MATERIAIS VISCOSOS, DE PREFERÊNCIA PARA CONCRETO.

ConcedidaInvention Patent

Application data

Number

PI8307113

Type

Invention Patent

Filing

12/23/1983

Publication

08/07/1984

Progress at the INPI

  1. Filing12/23/83
  2. Publication08/07/84
  3. Examination07/22/86
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Terminated10/02/90

The patent was granted on 03/29/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Friedrich Wilh.Schwing Gmbh.

DE

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Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

08/07/1984

RPI 720

Pedido de patente depositado

#2.1

03/13/1984

RPI 699

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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