Patent US2708255A successfully refreshed from Google Patents.
US2708255A
Expired / Lapsed
US
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Minute metallic bodies
Assignee: Individual
•
Filing: 1949-06-18
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Granted: 1955-05-10
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Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Sidney Y White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:32
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/002; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S75/00; Y10S75/953; Y10T; Y10T29/00; Y10T29/49; Y10T29/49712; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12389; Y10T428/12396
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
IN COMBINATION, A SPHERICAL BODY CONSISTING ALMOST ENTIRELY OF GERMANIUM, WHICH HAS ASSUMED A SPHERICAL FORM THROUGH SURFACE TENSION WHILE MOLTEN AND WHICH IS NOT MORE THAN 2MM. IN DIAMETER, AND A METALLIC HOLDER IN WHICH THE SPHERICAL BODY IS FIXED, THE SPHERICAL BODY HAVING THE PHYSICAL AND ELECTRICAL PROPERTIES CHARACTERIS-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |