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Official data from INPI

TURBINA HIDRAULICA DE FLUXO CRUZADO E DUPLO EFEITO COM REGULADOR MECANICO INTEGRADO

Em AnáliseInvention Patent
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Application data

Number

PI8306287

Type

Invention Patent

Filing

11/10/1983

Publication

11/13/1984
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Progress at the INPI

  1. Filing11/10/83
  2. Publication11/13/84
  3. Examination02/20/85
  4. Allowance04/12/88
  5. Grant12/27/88
  6. Terminated08/22/89

The patent was granted on 12/27/1988 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. B. (pessoa física)

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

F03B 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/22/1989

RPI 983

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Retificação

#15.6

12/15/1987

RPI 895

Retificação

#15.3

08/25/1987

RPI 879

11.8

04/14/1987

RPI 860

Alteração de numeração

#15.1

11/25/1986

RPI 840

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

10/15/1985

RPI 782

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação antecipada

#3.2

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

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