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Official data from INPI

PROCESSO DE TROCA DE UM CILINDRO DE CALANDRA DE UM APARELHO DE CALANDRA POR UM CILINDRO DE CALANDRA DIFERENTE; PROCESSO DE TROCA DE UMA SÉRIE DE CILINDROS DE CALANDRA POR CILINDROS DIFERENTES; E APARELHO DE CALANDRAGEM PARA FORMAR COMPONENETES ELASTOMÉRICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9600012

Type

Invention Patent

Filing

01/03/1996

Publication

01/21/1998

Progress at the INPI

  1. Filing01/03/96
  2. Publication01/21/98
  3. Examination
  4. Allowance12/11/01
  5. Grant05/14/02
  6. Expired01/05/16

The letters patent expired on 01/05/2016: 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: 01/05/2016. 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

D. D. (pessoa física)

US

J. I. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/369.027 · 01/05/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/01/2016

01/05/2016

RPI 2348

Concessão da patente

#16.1

05/14/2002

RPI 1636

Deferimento

#9.1

12/11/2001

RPI 1614

Publicação do pedido de patente

#3.1

01/21/1998

RPI 1413

Pedido de patente depositado

#2.1

01/30/1996

RPI 1313

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