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Official data from INPI

INVÓLUCRO CELULÓSICO E PROCESSO PARA SUA PRODUÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8301352

Type

Invention Patent

Filing

03/17/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/17/83
  2. Publication11/29/83
  3. Examination02/12/85
  4. Allowance06/16/87
  5. Grant10/27/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

V. C. (pessoa física)

US

See this company's full portfolio

Inventors

T. H. (pessoa física)

US

Technical data

Priority claims

US

361.878 · 03/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

100

06/16/1987

RPI 869

120

01/13/1987

RPI 847

Petição de recurso

#12.2

05/20/1986

RPI 813

Indeferimento

#9.2

02/04/1986

RPI 798

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Carta-patente expirada

#21.1

Patente extinta em 17/03/98

07/01/2008

RPI 1956

Transferência deferida

#25.1

Transferido de: Union Carbide Corporation

11/10/1998

RPI 1453

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