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Official data from INPI

SISTEMA NIVELADOR E APARELHO DE CONTROLE DE ATITUDE DE VEICULO E SEU PROCESSO DE UTILIZACAO

Em AnáliseInvention Patent

Application data

Number

PI7600880

Type

Invention Patent

Filing

06/09/1975

Publication

-

Progress at the INPI

  1. Filing06/09/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONROE AUTO EQUIPMENT CO

Inventors

H. R. (pessoa física)

V. R. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/27/1983

RPI 675

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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