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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008651

Type

Invention Patent

Filing

03/10/1980

Publication

-

Progress at the INPI

  1. Filing03/10/80
  2. Publication
  3. Examination
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Expired11/21/95

The letters patent expired on 11/21/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Geon Company

US

See this company's full portfolio

Inventors

K. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

Pedido de licença compulsória

#20.1

07/05/1994

RPI 1231

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