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Official data from INPI

INSTALACAO PARA CONTROLE DA OPERACAO DE FORNOS DE ROLOS PARA COZIMENTO DE MATERIAIS CERAMICOS OU SIMILARES

ConcedidaInvention Patent

Application data

Number

PI7806622

Type

Invention Patent

Filing

10/07/1977

Publication

-

Progress at the INPI

  1. Filing10/07/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant02/28/84
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WEEKO IND SPA

Inventors

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

110

11/22/1983

RPI 683

Recurso

#12.1

06/21/1983

RPI 661

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

14.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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