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Official data from INPI

LANTERNA

Em AnáliseInvention Patent

Application data

Number

PI8701015

Type

Invention Patent

Filing

03/05/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/05/87
  2. Publication12/29/87
  3. Examination05/24/88
  4. Allowance02/11/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mag Instrument, Inc

US

Mag Instrument, Inc.

US

See this company's full portfolio

Inventors

A. M. (pessoa física)

US

Technical data

Priority claims

US

836.975 · 03/06/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/24/1988

RPI 918

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F21L 7/00; F21L 15/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 05/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

02/11/1992

RPI 1106

Conhecimento de parecer técnico

#7.1

10/30/1990

RPI 1039

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