US3448455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armoured structure antenna
Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1965-03-22
•
Granted: 1969-06-03
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Roger S Alfandari
- 👤 Bernard J Daveau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/18; H01Q19/19; H01Q19/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736895A
Cited
GB716939A
Cited
US3195137A
Cited
US3271771A
Cited
US3310808A
Cited
US3334349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |