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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101403

Type

Invention Patent

Filing

03/10/1981

Publication

-

Progress at the INPI

  1. Filing03/10/81
  2. Publication
  3. Examination09/27/83
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 06/25/1985. 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

M. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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