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Official data from INPI

HELICE PROPULSORA MARITIMA DE ANEL

Em AnáliseInvention Patent

Application data

Number

PI7905471

Type

Invention Patent

Filing

08/30/1978

Publication

-

Progress at the INPI

  1. Filing08/30/78
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant05/17/83
  6. Terminated04/12/94

The patent was granted on 05/17/1983 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROPELLER DESIGN LTD

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

22.9

06/28/1983

RPI 662

Concessão da patente

#16.1

05/17/1983

RPI 656

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

Pedido de licença compulsória

#20.1

03/13/1990

RPI 1009

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