Patent US2514080A successfully refreshed from Google Patents.
US2514080A
Expired / Lapsed
US
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Method of obtaining high velocity with crystals
Assignee: AT&T Inc
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Filing: 1945-01-10
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Granted: 1950-07-04
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Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Warren P Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:53
CPC Classifications
B; B06; B06B; B06B3/00; G; G01; G01N; G01N29/00; G01N29/02; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1546632A
Cited
US1635787A
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US2045403A
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GB445775A
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US2163650A
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US2163649A
Cited
US2185966A
Cited
FR852150A
Cited
US2274541A
Cited
US2300761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |