US2924824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable antenna with stable plane
Assignee: Individual
•
Filing: 1954-11-09
•
Granted: 1960-02-09
•
Expires: 1974-11-09
Abstract
No abstract record available.
Inventors
- 👤 Donald H Lanctot
- 👤 Allen P Algeir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/18; Y; Y10; Y10T; Y10T74/00; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2426658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |