US3116175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming bicrystalline specimens
Assignee: Marvalaud Inc
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Filing: 1958-01-27
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Granted: 1963-12-31
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Robert B Pond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:42
CPC Classifications
C; C30; C30B; C30B33/00; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD FOR FORMING BICRYSTALLINE METALLIC SPECIMENS COMPRISING FORMING A SINGLE CRYSTAL FROM MOLTEN METAL, HEATING TO THE MELTING POINT A PORTION OF THE SINGLE CRYSTAL ACROSS THE ENTIRE CROSS-SECTIONAL AREA THEREOF, ROTATING ONE END OF THE CRYSTAL ABOUT THE LONGITUDINAL AXIS THEREOF AND SOLIDIFYING THE MELTED PORTION TO FORM A GRAIN BOUNDARY.
Claim 2
Independent Claim
53 words
A METHOD FOR FORMING BICRYSTALLINE METALLIC SPECIMENS COMPRISING FORMING A SINGLE CRYSTAL FROM MOLTEN METAL, HEATING TO THE MELTING POINT A PORTION OF THE SINGLE CRYSTAL ACROSS THE ENTIRE CROSS-SECTIONAL AREA THEREOF, ROTATING ONE END OF THE CRYSTAL ABOUT THE LONGITUDINAL AXIS THEREOF AND SOLIDIFYING THE MELTED PORTION TO FORM A GRAIN BOUNDARY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |