Patent US2941158A successfully refreshed from Google Patents.
US2941158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized oscillator
Assignee: Intron International Inc
•
Filing: 1956-08-09
•
Granted: 1960-06-14
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pintell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:16
CPC Classifications
H; H03; H03L; H03L5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1463796A
Cited
US2231558A
Cited
US2417805A
Cited
US2424905A
Cited
US2391085A
Cited
US2442138A
Cited
US2456802A
Cited
US2581273A
Cited
US2793292A
Cited
US2661425A
Cited
US2784367A
Cited
US2700130A
Cited
US2748274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |