US3206406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Critical cooling rate in vapor deposition process to form bladelike semiconductor compound crystals
Assignee: Merck and Co Inc
•
Filing: 1962-10-31
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Granted: 1965-09-14
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Henry R Barkemeyer
- 👤 William J Mcaleer
- 👤 Peter I Pollak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:51
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/10; C30B29/40; C01; C01B; C01B33/00; C01B33/02; C30B25/00; C30B25/005; H; H10; H10D; H10D62/00; H10D62/80; H10D62/85; H10D62/852; H10P; H10P95/00; Y; Y10; Y10S; Y10S252/00; Y10S252/95; Y10S252/951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
THE METHOD OF FORMING BLADELIKE CRYSTALS OF SEMICONDUCTOR MATERIAL OF THE GENERAL FORMULA
Claim 2
Independent Claim
13 words
THE METHOD OF FORMING BLADELIKE CRYSTALS OF SEMICONDUCTOR MATERIAL OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2692839A
Cited
US2677627A
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US2763581A
Cited
US2813811A
Cited
US2878152A
Cited
US3033714A
Cited
US3031403A
Cited
US3025192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |