(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SEM TITULO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8005293

Type

Invention Patent

Filing

08/21/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing08/21/80
  2. Publication
  3. Examination05/17/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

Inventors

F. R. (pessoa física)

K. E. (pessoa física)

M. F. (pessoa física)

P. U. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

C07C 43/30C07C 45/00C07C 45/29C07C 45/30C07C 45/59C07C 45/63C07C 47/52C07C 47/55C07C 47/575C07C 67/00C07D 317/00C07D 317/14C07D 317/16C07D 317/22C07D 319/00C07D 319/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.