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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8006895

Type

Invention Patent

Filing

10/27/1980

Publication

-

Progress at the INPI

  1. Filing10/27/80
  2. Publication
  3. Examination08/23/83
  4. Allowance09/01/87
  5. Grant02/23/88
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trutzschler GMBH & Co. KG

DE

See this company's full portfolio

Inventors

H. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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