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Official data from INPI

ACIONAMENTO PARA UMA PLURALIDADE DE ELEMENTOS ROTATIVOS DE UMA CARDA

ConcedidaInvention Patent

Application data

Number

PI8000537

Type

Invention Patent

Filing

02/09/1979

Publication

-

Progress at the INPI

  1. Filing02/09/79
  2. Publication
  3. Examination12/14/82
  4. Allowance05/22/84
  5. Grant01/29/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRUETZSCHLER & CO

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Inventors

B. W. (pessoa física)

K. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

9.1.3

07/10/1984

RPI 716

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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