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Official data from INPI

CONJUNTO DE LAMINA DE BARBEAR

ConcedidaInvention Patent

Application data

Number

PI7705476

Type

Invention Patent

Filing

08/18/1976

Publication

-

Progress at the INPI

  1. Filing08/18/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/30/82
  6. Expired07/13/93

The letters patent expired on 07/13/1993: 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WARNER LAMBERT CO

Inventors

C. C. (pessoa física)

E. J. (pessoa física)

M. A. (pessoa física)

P. A. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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