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Patent US2772318A successfully refreshed from Google Patents.
US2772318A
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US
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Apparatus for vaporization of metals and metalloids
Assignee: Individual
•
Filing: 1953-12-31
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Granted: 1956-11-27
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Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Holland Leslie Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; C23C14/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2100045A
Cited
US2206020A
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US2440135A
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US2554902A
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US2665320A
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US2665223A
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US2665229A
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US2693521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |