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Official data from INPI

POLIA E SISTEMA DE TRANSMISSAO DE FORCA MECANICA

Em AnáliseInvention Patent

Application data

Number

PI7808175

Type

Invention Patent

Filing

12/14/1977

Publication

-

Progress at the INPI

  1. Filing12/14/77
  2. Publication
  3. Examination
  4. Allowance12/06/83
  5. Grant04/24/84
  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

UNIROYAL INC

See this company's full portfolio

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/28/1989

RPI 958

Pedido de licença compulsória

#20.1

02/21/1989

RPI 957

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Deferimento

#9.1

12/06/1983

RPI 685

Exigência - art. 36 da LPI

#6.1

06/21/1983

RPI 661

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

15.0

03/30/1982

RPI 597

8.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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