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Official data from INPI

FREIO A TAMBOR

Em AnáliseInvention Patent

Application data

Number

PI7906091

Type

Invention Patent

Filing

09/28/1978

Publication

-

Progress at the INPI

  1. Filing09/28/78
  2. Publication
  3. Examination06/08/82
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP

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Inventors

T. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/12/1988

RPI 912

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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