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US2930001A
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Automatic frequency stabilization
Assignee: US Philips Corp
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Filing: 1955-12-14
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Granted: 1960-03-22
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Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Salmet Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:28
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/20; C; C23; C23C; C23C10/00; C23C10/28; C23C10/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2245627A
Cited
US2770730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |