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Official data from INPI

COMBINAÇÃO DE UMA POLIA DENTADA E UMA CORREIA DENTADA E PROCESSO PARA FAZER TAL COMBINAÇÃO

DeferidaInvention Patent

Application data

Number

PI8507057

Type

Invention Patent

Filing

10/28/1985

Publication

03/10/1987

Progress at the INPI

  1. Filing10/28/85
  2. Publication03/10/87
  3. Examination06/14/88
  4. Allowance11/21/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Dayco Products, Inc.

US

Inventors

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

671.392 · 11/15/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/21/1989

RPI 996

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

06/14/1988

RPI 921

14.1

03/15/1988

RPI 908

Notificação de entrada na fase nacional - PCT

#1.3

03/10/1987

RPI 855

Carta-patente expirada

#21.1

Patente extinta em 28/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/27/1990

RPI 1011

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