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Official data from INPI

ESTRUTURA DE MANGUEIRA REFORÇADA.

Em AnáliseInvention Patent

Application data

Number

PI8304991

Type

Invention Patent

Filing

09/15/1983

Publication

09/04/1984

Progress at the INPI

  1. Filing09/15/83
  2. Publication09/04/84
  3. Examination09/02/86
  4. Allowance03/13/90
  5. Grant09/25/90
  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: 01/21/1987. 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

G. E. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

428.493 · 09/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

01/21/1987

RPI 848

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Carta-patente expirada

#21.1

Patente extinta em 15/09/98

07/01/2008

RPI 1956

201

04/14/1992

RPI 1115

Pedido de licença voluntária

#17.1

10/08/1991

RPI 1088

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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