US2462224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise reducing radio receiver
Assignee: Lanteris Space LLC
•
Filing: 1944-09-02
•
Granted: 1949-02-22
•
Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 Charles J B Rheams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H03G3/26; H03G3/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22302E
Cited
US1976457A
Cited
US2060969A
Cited
US2035176A
Cited
US2051188A
Cited
US2069854A
Cited
US2116501A
Cited
US2214929A
Cited
US2224224A
Cited
US2221795A
Cited
US2188658A
Cited
US2247085A
Cited
US2264018A
Cited
US2395737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |