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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8100978

Type

Invention Patent

Filing

02/18/1981

Publication

-

Progress at the INPI

  1. Filing02/18/81
  2. Publication
  3. Examination10/05/82
  4. Allowance08/21/84
  5. Grant02/26/85
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Century II, Inc.

US

H. C. (pessoa física)

US

Inventors

N. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

10/05/1982

RPI 624

Transferência deferida

#25.1

Transferido de: Harnischfeger Corporation.

12/21/1999

RPI 1511

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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