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Official data from INPI

APARELHO PARA LAVAR PASTA DE CELULOSE.

ConcedidaInvention Patent

Application data

Number

PI8000498

Type

Invention Patent

Filing

01/25/1980

Publication

-

Progress at the INPI

  1. Filing01/25/80
  2. Publication
  3. Examination11/03/82
  4. Allowance07/10/84
  5. Grant01/29/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. O. (pessoa física)

Inventors

E. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

790251 · 01/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

11/03/1982

RPI 628

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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