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Official data from INPI

APERFEICOAMENTOS EM RODA DE VEICULO PARA MONTAGEM DE AROS DUPLOS PORTA-PNEUMATICOS E EM ARO PORTA-PNEU

ConcedidaInvention Patent

Application data

Number

PI7604476

Type

Invention Patent

Filing

07/09/1975

Publication

-

Progress at the INPI

  1. Filing07/09/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/22/83
  6. Terminated10/23/90

The patent was granted on 02/22/1983 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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DAYTON WALTHER CORP

Inventors

R. R. (pessoa física)

W. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

05/11/1982

RPI 603

110

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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