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Official data from INPI

PROCESSO PARA A FABRICACAO DE PELICULAS EXTENSIVEIS PARA ACONDICIONAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7706966

Type

Invention Patent

Filing

10/19/1976

Publication

-

Progress at the INPI

  1. Filing10/19/76
  2. Publication
  3. Examination
  4. Allowance01/26/82
  5. Grant11/30/82
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 05/06/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

C. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/06/1986

RPI 811

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

06/01/1982

RPI 606

Deferimento

#9.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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