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Official data from INPI

DISPOSITIVO PARA A LIGACAO ELASTICA DE UM CARRIL SOBRE O SEU SUPORTE

ConcedidaInvention Patent

Application data

Number

PI7808213

Type

Invention Patent

Filing

12/16/1977

Publication

-

Progress at the INPI

  1. Filing12/16/77
  2. Publication
  3. Examination
  4. Allowance06/28/88
  5. Grant02/28/89
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

Inventors

D. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

111

08/16/1983

RPI 669

Petição de recurso

#12.2

01/11/1983

RPI 638

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Indeferimento

#9.2

06/15/1982

RPI 608

6.2

12/15/1981

RPI 582

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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