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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7407536

Type

Invention Patent

Filing

09/10/1974

Publication

-

Progress at the INPI

  1. Filing09/10/74
  2. Publication
  3. Examination
  4. Allowance01/02/85
  5. Grant08/27/85
  6. Expired11/24/92

The letters patent expired on 11/24/1992: 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Kendall Company

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

102

08/16/1983

RPI 669

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A41B 13/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

11/24/1992

RPI 1147

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