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Official data from INPI

DISPOSIÇÃO PARA FACILITAR A PARTIDA DE UMA BOMBA CENTRÍFUGA NÃO AUTO-ESCORVANTE

ConcedidaInvention Patent

Application data

Number

PI8505874

Type

Invention Patent

Filing

11/22/1985

Publication

08/12/1986

Progress at the INPI

  1. Filing11/22/85
  2. Publication08/12/86
  3. Examination07/19/88
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated03/10/92

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. M. (pessoa física)

DE

Inventors

H. Z. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 42 716.3 · 11/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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