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Official data from INPI

Dispositivo para a abertura de envelopes de cartas ou semelhantes.

ConcedidaInvention Patent

Application data

Number

PI8206884

Type

Invention Patent

Filing

03/12/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/12/82
  2. Publication03/01/83
  3. Examination11/06/84
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Terminated10/29/96

The patent was granted on 12/30/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. E. (pessoa física)

LI

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 09 501.1 · 03/12/1981

EP

82/00086 · 03/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Conhecimento de parecer técnico

#7.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

10/29/1996

RPI 1352

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