US3495187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal controlled semiconductor oscillator
Assignee: International Standard Electric Corp
•
Filing: 1968-04-10
•
Granted: 1970-02-10
•
Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Eugeniusz Czeslaw Ja Jezierski
- 👤 John Mclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/36; H03B2200/00; H03B2200/0014; H03B2200/0026; H03B2200/003; H03B2200/0048; H03B2200/0056; H03B2200/006; H03B2200/007; H03B2201/00; H03B2201/02; H03B2201/025; H03B2201/0258; H03B2201/0275; H03B2201/0283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR1029885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |