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Official data from INPI

MANDRIL FLEXÍVEL PARA FABRICAÇÃO DE PRODUTOS TUBULARES

Em AnáliseInvention Patent

Application data

Number

PI8605682

Type

Invention Patent

Filing

11/17/1986

Publication

08/18/1987

Progress at the INPI

  1. Filing11/17/86
  2. Publication08/18/87
  3. Examination10/03/89
  4. Allowance11/16/99
  5. Grant05/02/00
  6. Expired12/05/12

The letters patent expired on 12/05/2012: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

801.525 · 11/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/03/1989

RPI 989

Publicação do pedido de patente

#3.1

08/18/1987

RPI 878

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Carta-patente expirada

#21.1

Patente extinta em 02/05/2010

12/05/2012

RPI 2187

Concessão da patente

#16.1

05/02/2000

RPI 1530

Deferimento

#9.1

11/16/1999

RPI 1506

Conhecimento de parecer técnico

#7.1

03/02/1993

RPI 1161

Pedido de certificado de adição de invenção

#5.1

03/01/1990

RPI 1007

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