US3342619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for growing germania films
Assignee: Westinghouse Electric Corp
•
Filing: 1964-04-16
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Granted: 1967-09-19
•
Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Chu Ting Li
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:13
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/68; C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/40; C23C16/407; H10P14/63; H10P14/6326; H10P14/6328; H10P14/6334
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A METHOD OF FORMING A LAYER OF HERMANIA ON A SUBSTRATE, THE STEPS COMPRISING: HEATING A HERMANIA SOURCE AT A FIRST TEMPERATURE IN AN ATMOSPHERE CONTAINING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE; HEATING A SUBSTRATE AT A SECOND TEMPERATURE GREATER THAN SAID FIRST TEMPERATURE
Claim 2
Dependent Claim
53 words
IN A METHOD OF FORMING A LAYER OF HERMANIA ON A SUBSTRATE, THE STEPS COMPRISING: HEATING A HERMANIA SOURCE AT A FIRST TEMPERATURE IN AN ATMOSPHERE CONTAINING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE; HEATING A SUBSTRATE AT A SECOND TEMPERATURE GREATER THAN SAID FIRST TEMPERATURE
References Cited (Backward Citations)
US2831784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |