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Official data from INPI

COMPOSICAO DE LUBRIFICANTE CAMARA PARA CURA DE PNEU PROCESSO DE TRATAMENTO DE CAMARA E PROCESSO DE MOLDAGEM DE UM PNEU

ConcedidaInvention Patent

Application data

Number

PI8107327

Type

Invention Patent

Filing

11/20/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing11/20/80
  2. Publication08/03/82
  3. Examination06/26/84
  4. Allowance11/03/87
  5. Grant05/31/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER [US]

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Inventors

C. F. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Conhecimento de parecer técnico

#7.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

Patente extinta em 12/11/96

08/19/2008

RPI 1963

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