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Official data from INPI

TAMBOR EXPANSIVEL PARA A CONFECCAO DE PNEUMATICOS

Em AnáliseInvention Patent

Application data

Number

PI7801558

Type

Invention Patent

Filing

03/31/1977

Publication

-

Progress at the INPI

  1. Filing03/31/77
  2. Publication
  3. Examination
  4. Allowance05/24/83
  5. Grant12/27/83
  6. Terminated06/29/93

The patent was granted on 12/27/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

See this company's full portfolio

Inventors

B. G. (pessoa física)

B. F. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/15/1989

RPI 982

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/24/1983

RPI 657

8.1

12/14/1982

RPI 634

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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