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Official data from INPI

REGULADOR DE CARGA

DeferidaInvention Patent

Application data

Number

PI8307563

Type

Invention Patent

Filing

10/10/1983

Publication

08/28/1984

Progress at the INPI

  1. Filing10/10/83
  2. Publication08/28/84
  3. Examination03/04/86
  4. Allowance10/03/89
  5. Grant03/20/90
  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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telefonaktiebolaget LM Ericsson, companhia sueca

SE

Inventors

B. P. (pessoa física)

SE

L. H. (pessoa física)

SE

P. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8205797-7 · 10/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

102

08/15/1989

RPI 982

Pedido de recurso

#12.3

05/16/1989

RPI 969

11.3

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Notificação de entrada na fase nacional - PCT

#1.3

08/28/1984

RPI 723

Carta-patente expirada

#21.1

Patente extinta em 10/10/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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