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Official data from INPI

APERFEIÇAOMENTO EM MOTOR ELÉTRICO.

Em AnáliseUtility Model
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Application data

Number

MU6100594

Type

Utility Model

Filing

05/11/1981

Publication

12/21/1982
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Progress at the INPI

  1. Filing05/11/81
  2. Publication12/21/82
  3. Examination11/27/84
  4. Allowance02/17/87
  5. Grant08/25/87
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arno Roton Equipamentos Elétricos Ltda

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

H02K 1/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/17/1989

RPI 991

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

12/21/1982

RPI 635

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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