(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

INVÓLUCRO TUBULAR DE CELULOSE PARA COMESTÍVEIS; E PROCESSO DE SUA PREPARAÇÃO

ConcedidaInvention Patent

Application data

Number

PI7703089

Type

Invention Patent

Filing

05/12/1977

Publication

-

Progress at the INPI

  1. Filing05/12/77
  2. Publication
  3. Examination
  4. Allowance04/27/82
  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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. E. (pessoa física)

US

H. C. (pessoa física)

US

Technical data

Priority claims

US

686.248 · 05/13/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.