US2553611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable whip antenna
Assignee: Individual
•
Filing: 1949-05-24
•
Granted: 1951-05-22
•
Expires: 1969-05-24
Abstract
No abstract record available.
Inventors
- 👤 William F Squibb
- 👤 Richard T Brackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1647349A
Cited
US1901025A
Cited
US2239909A
Cited
US2163860A
Cited
US2278531A
Cited
US2294362A
Cited
US2329200A
Cited
US2384631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |