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Official data from INPI

SEM TITULO

ConcedidaUtility Model
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Application data

Number

MU5701664

Type

Utility Model

Filing

12/13/1977

Publication

-
View on INPI

Progress at the INPI

  1. Filing12/13/77
  2. Publication
  3. Examination
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

H02B 13/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

15.10

09/02/1986

RPI 828

15.17

07/15/1986

RPI 821

Arquivamento - Art. 38 §2° da LPI

#11.4

07/12/1983

RPI 664

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

Patente extinta em 13/12/87

08/19/2008

RPI 1963

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