US2608658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television antenna construction
Assignee: RICKA RICHARDS
•
Filing: 1949-09-23
•
Granted: 1952-08-26
•
Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; H01Q3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1433921A
Cited
US2238770A
Cited
US2255520A
Cited
FR877658A
Cited
US2366634A
Cited
US2430353A
Cited
US2433183A
Cited
US2847872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |