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Official data from INPI

APARELHO PARA CONTROLAR A DIMENSÃO INTERNA DE ELEMENTO ELASTOMÉRICO EXTRUDADO, PROCESSO DE FABRICAÇÃO DE MANGUEIRA ELASTOMÉRICA E APARELHO PARA FORMAR MANGUEIRA FLEXÍVEL REFORÇADA

ConcedidaInvention Patent

Application data

Number

PI8307730

Type

Invention Patent

Filing

08/17/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing08/17/83
  2. Publication06/04/85
  3. Examination06/30/87
  4. Allowance11/29/88
  5. Grant09/26/89
  6. Terminated05/30/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

R. S. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

11/29/1988

RPI 945

14.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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