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Official data from INPI

PROCESSO E APARELHO PARA FABRICAR UM FECHO COMPOSTO PARA UM RECIPIENTE E FECHO COMPOSTO PARA UM RECIPIENTE

ConcedidaInvention Patent

Application data

Number

PI8204327

Type

Invention Patent

Filing

07/23/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/23/82
  2. Publication07/19/83
  3. Examination09/17/85
  4. Allowance07/14/87
  5. Grant11/24/87
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H-C Industries Inc

US

See this company's full portfolio

Inventors

R. S. (pessoa física)

US

S. W. (pessoa física)

US

T. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

286.375 · 07/24/1981

US

310.769 · 10/13/1981

US

390.346 · 06/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

Patente extinta em 23/07/97

07/01/2008

RPI 1956

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