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Official data from INPI

CONJUNTO DE VALVULAS PARA PROTECAO DE TRATOR PARA INSTALACAO SOBRE UM TRATOR E SISTEMA DE FREIOS A AR

Em AnáliseInvention Patent

Application data

Number

PI7700910

Type

Invention Patent

Filing

02/17/1976

Publication

-

Progress at the INPI

  1. Filing02/17/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Terminated08/20/85

The patent was granted on 06/29/1982 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: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MIDLAND ROSS CORP

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Inventors

D. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/20/1985

RPI 774

Cessão de direito de exploração

#22.1

12/04/1984

RPI 737

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

11/03/1981

RPI 576

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