US3216710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum vaporizer
Assignee: Union Carbide Corp
•
Filing: 1961-06-30
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Granted: 1965-11-09
•
Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Lenihan
- 👤 Jr Martin A Roche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:14
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A CRUCIBLE FOR USE IN VACUUM PLATING WHICH COMPRISES FROM ABOUT 30 TO 70 PERCENT BY WEIGHT TITANIUM DIBORIDE, THE REMAINDER BEING BORON NITRIDE, WHEREIN THE ACTUAL EVAPORATION SURFACE OF SAID CRUCIBLE IS PROVIDED WITH A POROUS NETWORK OF DISCRETE FINELY DIVIDED PARTICLES OF A CARBIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE, SILICON CARBIDE AND BORON CARBIDE.
Claim 2
Dependent Claim
59 words
A CRUCIBLE FOR USE IN VACUUM PLATING WHICH COMPRISES FROM ABOUT 30 TO 70 PERCENT BY WEIGHT TITANIUM DIBORIDE, THE REMAINDER BEING BORON NITRIDE, WHEREIN THE ACTUAL EVAPORATION SURFACE OF SAID CRUCIBLE IS PROVIDED WITH A POROUS NETWORK OF DISCRETE FINELY DIVIDED PARTICLES OF A CARBIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE, SILICON CARBIDE AND BORON CARBIDE.
References Cited (Backward Citations)
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Cited
US2665223A
Cited
US2665224A
Cited
US2872327A
Cited
US2879739A
Cited
US3063865A
Cited
US2984807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |