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Official data from INPI

DISPOSITIVO EM UMA CARGA PARA RETIRADA E REUNIAO DE VELO DE FIBRAS

ConcedidaInvention Patent

Application data

Number

PI7906236

Type

Invention Patent

Filing

10/23/1978

Publication

-

Progress at the INPI

  1. Filing10/23/78
  2. Publication
  3. Examination06/29/82
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRUETZSCHLER & CO

See this company's full portfolio

Inventors

V. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

6.2

01/18/1983

RPI 639

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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