US2790168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generator
Assignee: Individual
•
Filing: 1946-02-04
•
Granted: 1957-04-23
•
Expires: 1966-02-04
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Connelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:42
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282; H; H03; H03K; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406316A
Cited
US2433681A
Cited
US2361437A
Cited
US2421016A
Cited
US2468097A
Cited
US2477485A
Cited
US2420211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |