US3452970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporization vessel for use in vapor deposition upon a carrier support
Assignee: Siemens AG
•
Filing: 1967-05-12
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Granted: 1969-07-01
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Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Mayer
- 👤 Roland Haft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:40
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207659A
Cited
US3216710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |