Patent US2597870A successfully refreshed from Google Patents.
US2597870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise elimination system for pulse signal receivers
Assignee: Individual
•
Filing: 1945-08-08
•
Granted: 1952-05-27
•
Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Garold K Jensen
- 👤 Carl M Russell
- 👤 Vigo N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:49
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2061734A
Cited
US2246939A
Cited
US2304713A
Cited
US2273098A
Cited
US2277000A
Cited
US2395615A
Cited
US2428011A
Cited
US2356140A
Cited
US2356141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |