US3485997A
Expired / Lapsed
US
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Process and apparatus for the thermal vaporization of mixtures of substances in a vacuum
Assignee: Balzers Patent und Beteiligungs AG
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Filing: 1966-11-25
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Granted: 1969-12-23
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Peter Rheinberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:17
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/10; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423729A
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US3340601A
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US3267015A
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US3303319A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |