Patent US2685067A successfully refreshed from Google Patents.
US2685067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for delaying electrical signals
Assignee: Raytheon Co
•
Filing: 1948-03-12
•
Granted: 1954-07-27
•
Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Harold N Beveridge
- 👤 Jack J Staller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:50
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H9/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1616639A
Cited
US2155659A
Cited
US2263902A
Cited
US2447485A
Cited
US2421026A
Cited
US2423306A
Cited
US2505364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |