US2858730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Germanium crystallographic orientation
Assignee: International Business Machines Corp
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Filing: 1955-12-30
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Granted: 1958-11-04
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 James S Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/36; B; B28; B28D; B28D5/00; B28D5/0058; B28D5/0082; B28D5/02; B28D5/022; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF POSITIONING A GERMANIUM MONOCRYSTALLINE INGOT ON AN AXIS OF ROTATION COINCIDING WITH EITHER A (100) OR A (111) CRYSTALLOGRAPHIC AXIS OF SAID INGOT, EACH SAID (100) OR SAID (111) AXIS RESPECTIVELY BEING INTERSECTED AT THE SAME ANGLE AND AT ESSENTIALLY THE SAME POINT BY AT LEAST THREE PLANES OF A GROUP OF PLANES OF THE CRYSTALLINE OCTAHEDRON AND SAID (100) OR SAID (111) AXIS RESPECTIVELY BEING NORMAL TO A FOURTH (100) OR (111) CRYSTALLOGRAPHIC PLANE NOT A MEMBER OF SAID GROUP COMPRISING IN COMBIANTION THE STEPS OF IDENTIFYING
Claim 2
Independent Claim
91 words
THE METHOD OF POSITIONING A GERMANIUM MONOCRYSTALLINE INGOT ON AN AXIS OF ROTATION COINCIDING WITH EITHER A (100) OR A (111) CRYSTALLOGRAPHIC AXIS OF SAID INGOT, EACH SAID (100) OR SAID (111) AXIS RESPECTIVELY BEING INTERSECTED AT THE SAME ANGLE AND AT ESSENTIALLY THE SAME POINT BY AT LEAST THREE PLANES OF A GROUP OF PLANES OF THE CRYSTALLINE OCTAHEDRON AND SAID (100) OR SAID (111) AXIS RESPECTIVELY BEING NORMAL TO A FOURTH (100) OR (111) CRYSTALLOGRAPHIC PLANE NOT A MEMBER OF SAID GROUP COMPRISING IN COMBIANTION THE STEPS OF IDENTIFYING
References Cited (Backward Citations)
US2423357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |