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Official data from INPI

RESINA NOVALAC(RESINA FENOLALDEIDICA)MONOFICADA COM METAL;PROCESSO PARA SUA FABRICACAO E USO DAS MESMAS EM PAPEL SENSIVEL A PRESSAO

ConcedidaInvention Patent

Application data

Number

PI7804927

Type

Invention Patent

Filing

09/06/1977

Publication

-

Progress at the INPI

  1. Filing09/06/77
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Expired12/14/93

The letters patent expired on 12/14/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MEAD CORP

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

11/09/1982

RPI 629

6.2

10/13/1981

RPI 573

Carta-patente expirada

#21.1

12/14/1993

RPI 1202

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