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Official data from INPI

FREIO A DISCO COMPLETO

Em AnáliseInvention Patent

Application data

Number

PI7805325

Type

Invention Patent

Filing

02/22/1977

Publication

-

Progress at the INPI

  1. Filing02/22/77
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant05/31/83
  6. Terminated06/14/88

The patent was granted on 05/31/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WABCO WESTINGHOUSE GMBH

Inventors

F. J. (pessoa física)

R. E. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

05/31/1983

RPI 658

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

03/09/1982

RPI 594

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