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US2913677A
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Frequency modulating system for crystal oscillators
Assignee: HERMES ELECTRONICS CO
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Filing: 1956-10-31
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Granted: 1959-11-17
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Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 David I Kosowsky
- 👤 Robert W Luscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:00
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB258946A
Cited
FR750987A
Cited
US2163403A
Cited
US2598722A
Cited
US2683252A
Cited
DE907190C
Cited
GB671194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |