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Official data from INPI

SERVOMECANISMO

ConcedidaInvention Patent

Application data

Number

PI7704222

Type

Invention Patent

Filing

06/30/1976

Publication

-

Progress at the INPI

  1. Filing06/30/76
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

C. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

6.2

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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