Rückschlagventil
Swiss patent · CH661777 · Deleted
Register entry
- Publication number
- CH661777
- Application number
- CH003404/1981
- Kind
- Swiss patent
- Status
- Deleted
- Specification
- Granted
- Filed
- May 25, 1981
- Published
- Aug 14, 1987
- Granted
- Aug 14, 1987
- Deleted
- May 31, 1999
- Reason
- Annual fee unpaid
- IPC classes
- F16K 15/02 (2006.01)F16K 47/02 (2006.01)
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Dec 31, 1999
Deleted, fee unpaid
Published in PIDTJ No 24 in 1999
- Nov 15, 1995
Agent entered
- Representative
- Sulzer Management AG, KS/Patente/0007, 8401 Winterthur
Published in PIDTJ No 21 in 1995
- Aug 14, 1987
Granted
Published in PIDTJ No 15 in 1987
Parties
Inventor
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.