Patent US1950237A successfully refreshed from Google Patents.
US1950237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling condenser system
Assignee: Wired Radio Inc
•
Filing: 1929-07-27
•
Granted: 1934-03-06
•
Expires: 1949-07-27
Abstract
No abstract record available.
Inventors
- 👤 Louis A Gebhard
- 👤 Corrie F Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:54
CPC Classifications
H; H01; H01G; H01G5/00; H01G5/04; H01G5/14; H03; H03H; H03H2/00; H03H2/005; H03H2/006; H03H1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1937-03-05 | 1937-09-04 | 1938-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-05 | 1941-09-04 | 1942-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-05 | 1945-09-04 | 1946-03-06 | $7700.00 | Window Closed / Lapsed |