CHA Industries
Records under this name other than patents CHA Industries holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to CHA Industries
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,970,820 | Wire fed flash evaporation source Term ended Term ended no later than Jul 20, 1996 · Low confidence | Term ended | Term ended no later than Jul 20, 1996 | Low confidence |
| US 3,998,347 | Creep resistant sealing arrangement for bell jar Term ended Term ended no later than Dec 21, 1996 · Low confidence | Term ended | Term ended no later than Dec 21, 1996 | Low confidence |
| US 4,085,699 | Mounting for arms of a thin-film apparatus Term ended Term ended no later than Apr 25, 1998 · Low confidence | Term ended | Term ended no later than Apr 25, 1998 | Low confidence |
| US 4,205,623 | Vacuum deposition apparatus Term ended Term ended no later than Jun 3, 2000 · Low confidence | Term ended | Term ended no later than Jun 3, 2000 | Low confidence |
| US 4,214,853 | Evacuation apparatus with cryogenic pump and trap assembly Term ended Term ended no later than Jul 29, 2000 · Low confidence | Term ended | Term ended no later than Jul 29, 2000 | Low confidence |
| US 4,296,153 | Vacuum chamber door assembly and method Term ended Term ended no later than Oct 20, 2001 · Low confidence | Term ended | Term ended no later than Oct 20, 2001 | Low confidence |
| US D254,974 | Vacuum deposition apparatus Term ended | Term ended | ||
| US D255,122 | Vacuum deposition apparatus Term ended | Term ended |