US2677760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse width discriminator
Assignee: United States Department of the Navy
•
Filing: 1945-09-17
•
Granted: 1954-05-04
•
Expires: 1965-09-17
Abstract
No abstract record available.
Inventors
- 👤 Bess Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:09
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/08; H04N5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2299571A
Cited
US2227052A
Cited
US2266154A
Cited
GB528192A
Cited
US2465840A
Cited
US2489297A
Cited
US2508569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |