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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8101618

Type

Invention Patent

Filing

03/17/1981

Publication

-

Progress at the INPI

  1. Filing03/17/81
  2. Publication
  3. Examination01/26/82
  4. Allowance01/24/84
  5. Grant12/26/84
  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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Coordinamento Pneumatici S.p.A.

IT

See this company's full portfolio

Inventors

C. R. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/08/1989

RPI 981

Concessão da patente

#16.1

12/26/1984

RPI 740

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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