US3346414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-liquid-solid crystal growth technique
Assignee: AT&T Inc
•
Filing: 1964-01-28
•
Granted: 1967-10-10
•
Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 William C Ellis
- 👤 William G Pfann
- 👤 Richard S Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:47
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/12; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR THE CONTROLLED GROWTH OF A CRYSTALLINE BODY COMPRISING A FIRST MATERIAL AT A GIVEN SITE, COMPRISING PROVIDING A SECOND MATERIAL COMPRISING AN AGENT AT THE SAID SITE, CONTACTING THE SAID SECOND MATERIAL WITH A VAPOR COMPRISING THE SAID FIRST MATERIAL, THE SAID AGENT BEING SUCH THAT IT IS CAPABLE OF FORMING A LIQUID SOLUTION COMPRISING THE SAID AGENT AND THE SAID FIRST MATERIAL, THE SAID SECOND MATERIAL BEING MAINTAINED AT A TEMPERATURE ABOVE THE INITIAL FREEZING TEMPERATURE OF THE SAID SOLUTION AND CONTINUING THE SAID CONTACTING FOR A TIME SUFFICIENT TO SUPERSATURATE THE SAID SOLUTION WITH RESPECT TO THE SAID FIRST MATERIAL THEREBY INITIATING CRYSTALLIZATION AT THE SAID SITE.
Claim 2
Dependent Claim
112 words
A PROCESS FOR THE CONTROLLED GROWTH OF A CRYSTALLINE BODY COMPRISING A FIRST MATERIAL AT A GIVEN SITE, COMPRISING PROVIDING A SECOND MATERIAL COMPRISING AN AGENT AT THE SAID SITE, CONTACTING THE SAID SECOND MATERIAL WITH A VAPOR COMPRISING THE SAID FIRST MATERIAL, THE SAID AGENT BEING SUCH THAT IT IS CAPABLE OF FORMING A LIQUID SOLUTION COMPRISING THE SAID AGENT AND THE SAID FIRST MATERIAL, THE SAID SECOND MATERIAL BEING MAINTAINED AT A TEMPERATURE ABOVE THE INITIAL FREEZING TEMPERATURE OF THE SAID SOLUTION AND CONTINUING THE SAID CONTACTING FOR A TIME SUFFICIENT TO SUPERSATURATE THE SAID SOLUTION WITH RESPECT TO THE SAID FIRST MATERIAL THEREBY INITIATING CRYSTALLIZATION AT THE SAID SITE.
References Cited (Backward Citations)
US2789068A
Cited
US2802759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |