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Official data from INPI

ROTOR PARA BOMBA, BOMBA E PROCESSO PARA APERFEIÇOAMENTO DA RESISTÊNCIA AO IMPACTO DE MATERIAL DE CERÂMICA

DeferidaInvention Patent

Application data

Number

PI8502456

Type

Invention Patent

Filing

05/24/1985

Publication

01/28/1986

Progress at the INPI

  1. Filing05/24/85
  2. Publication01/28/86
  3. Examination03/08/88
  4. Allowance09/12/89
  5. Grant06/26/90
  6. Terminated05/21/96

The patent was granted on 06/26/1990 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gravtec Investments (Proprietary) Limited

ZA

MOH-9 (Proprietary) Limited

ZA

Inventors

H. H. (pessoa física)

US

J. D. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

84/3924 · 05/24/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

02/28/1989

RPI 958

14.11

09/06/1988

RPI 933

14.1

07/26/1988

RPI 927

14.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

01/28/1986

RPI 797

Pedido de patente depositado

#2.1

07/30/1985

RPI 771

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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