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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8005944

Type

Invention Patent

Filing

09/17/1980

Publication

-

Progress at the INPI

  1. Filing09/17/80
  2. Publication
  3. Examination
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli General PLC

IT

See this company's full portfolio

Inventors

B. H. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/21/1989

RPI 957

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

14.7

01/02/1985

RPI 741

14.4

12/26/1984

RPI 740

14.4

12/18/1984

RPI 739

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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