Patent US3130040A successfully refreshed from Google Patents.
US3130040A
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US
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Dendritic seed crystals having a critical spacing between three interior twin planes
Assignee: Westinghouse Electric Corp
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Filing: 1960-12-30
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Granted: 1964-04-21
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Faust
- 👤 Harold F John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:46
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B15/00; C30B15/36; C30B29/00; C30B29/02; C30B29/08; C30B29/60; C30B29/64; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902; Y10S148/00; Y10S148/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A DENDRITIC SEED CRYSTAL OF A MATERIAL CRYSTALLIZING IN THE DIAMOND CUBIC LATTICE STRUCTURE HAVING THREE INTERIOR TWIN PLANES EXTENDING ENTIRELY THERETHROUGH, SAID INTERIOR TWIN PLANES BEING SPACED FROM 0.1 TO 5 MICRONS AND FROM 0.1 TO 30 MICRONS APART, RESPECTIVELY.
Claim 2
Dependent Claim
41 words
A DENDRITIC SEED CRYSTAL OF A MATERIAL CRYSTALLIZING IN THE DIAMOND CUBIC LATTICE STRUCTURE HAVING THREE INTERIOR TWIN PLANES EXTENDING ENTIRELY THERETHROUGH, SAID INTERIOR TWIN PLANES BEING SPACED FROM 0.1 TO 5 MICRONS AND FROM 0.1 TO 30 MICRONS APART, RESPECTIVELY.
References Cited (Backward Citations)
GB769426A
Cited
US3031403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |