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Official data from INPI

TURBINA HIDRAULICA DE MULTIESTAGIOS DE TURBOPERFURATRIZ

ConcedidaInvention Patent

Application data

Number

PI8402680

Type

Invention Patent

Filing

06/01/1984

Publication

01/07/1986

Progress at the INPI

  1. Filing06/01/84
  2. Publication01/07/86
  3. Examination07/29/86
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated06/13/95

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST BUROVOI TEKHNIK [SU]

Inventors

B. J. (pessoa física)

B. S. (pessoa física)

F. A. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Solicitação de exame técnico

#4.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

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