US2197900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fading regulation in television receivers
Assignee: LOEWE RADIO Inc
•
Filing: 1938-07-08
•
Granted: 1940-04-23
•
Expires: 1958-07-08
Abstract
No abstract record available.
Inventors
- 👤 Schlesinger Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H04; H04N; H04N5/00; H04N5/04; H04N5/08; H04N5/44; H04N5/52; H04N5/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |