Patent US2653222A successfully refreshed from Google Patents.
US2653222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio jamming device
Assignee: Individual
•
Filing: 1944-08-04
•
Granted: 1953-09-22
•
Expires: 1964-08-04
Abstract
No abstract record available.
Inventors
- 👤 Everard M Williams
- 👤 Edwin V Cousy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:53
CPC Classifications
H; H04; H04K; H04K3/00; H04K3/40; H04K3/45; H04K3/42; H04K3/43
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2098956A
Cited
US2317547A
Cited
US2439408A
Cited
US2327248A
Cited
US2363583A
Cited
US2366329A
Cited
US2416307A
Cited
US2402606A
Cited
US2447490A
Cited
US2452601A
Cited
US2419593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |