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Official data from INPI

CONJUNTO DE SELO RADIAL ADAPTADO PARA SELAGEM DE ELEMENTO MOVEL E CONJUNTO DE SELO PARA MECANISMO DE RECUO DE VEÍCULO DO TIPO DE ESTEIRA

Em AnáliseInvention Patent

Application data

Number

PI8307700

Type

Invention Patent

Filing

06/20/1983

Publication

03/12/1985

Progress at the INPI

  1. Filing06/20/83
  2. Publication03/12/85
  3. Examination06/16/87
  4. Allowance11/01/88
  5. Grant06/26/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

H. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

481.602 · 04/04/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

02/08/1989

RPI 955

Deferimento

#9.1

11/01/1988

RPI 941

14.1

04/26/1988

RPI 914

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 20/06/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/13/1990

RPI 1009

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