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Official data from INPI

APERFEIÇOAMENTOS EM ALTERNADOR AUTO-EXCITÁVEL

Em AnáliseInvention Patent
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Application data

Number

PI8505933

Type

Invention Patent

Filing

11/27/1985

Publication

06/16/1987
View on INPI

Progress at the INPI

  1. Filing11/27/85
  2. Publication06/16/87
  3. Examination10/13/87
  4. Allowance05/19/92
  5. Grant03/30/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Geradores Arcuri S/A

MG, BR

Inventors

C. A. (pessoa física)

BR

Technical data

IPC Classification

H02K 7/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

02/23/1988

RPI 905

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Carta-patente expirada

#21.1

Patente extinta em 27/11/2000

07/15/2008

RPI 1958

20.3

07/04/1995

RPI 1283

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Deferimento

#9.1

05/19/1992

RPI 1120

Exigência - art. 36 da LPI

#6.1

09/24/1991

RPI 1086

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