US3181968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for metal vaporization
Assignee: Union Carbide Corp
•
Filing: 1960-07-25
•
Granted: 1965-05-04
•
Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Victor Mandorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:31
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/583; C23C14/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A METHOD FOR CONTINUOUSLY PLATING AN OBJECT BY THE VACUUM VAPOIZATION OF ALUMINUM FROM AN EVAPORATOR VESSEL, THE IMPROVEMENT CONSISTING OF USING A HEATED EVAPORATOR VESSEL COMPOSED ESSENTIALLY OF ABOUT 30 PERCENT TO ABOUT 70 PERCENTBY WEIGHT OF BORON NITRIDE, THE BALANCE BEING A CONDUCIVE REFRACTORY MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM DIBORIDE, TITANIUM DIBORIDE, TITANIUM CARBIDE AND MIXTURES THEREOF OF SAID VESSEL BEING CONDUCTIVE PRIOR TO CONTACT WITH THE ALUMINUM.
Claim 2
Dependent Claim
74 words
IN A METHOD FOR CONTINUOUSLY PLATING AN OBJECT BY THE VACUUM VAPOIZATION OF ALUMINUM FROM AN EVAPORATOR VESSEL, THE IMPROVEMENT CONSISTING OF USING A HEATED EVAPORATOR VESSEL COMPOSED ESSENTIALLY OF ABOUT 30 PERCENT TO ABOUT 70 PERCENTBY WEIGHT OF BORON NITRIDE, THE BALANCE BEING A CONDUCIVE REFRACTORY MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM DIBORIDE, TITANIUM DIBORIDE, TITANIUM CARBIDE AND MIXTURES THEREOF OF SAID VESSEL BEING CONDUCTIVE PRIOR TO CONTACT WITH THE ALUMINUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |