US3199108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical-radiator antenna
Assignee: Commscope Technologies LLC
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Filing: 1963-03-25
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Granted: 1965-08-03
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Benedikt A Munk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/36; H01Q1/362; H01Q1/27; H01Q1/273; H01Q1/276
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A HELMET ANTENNA COMPRISING: (A) A VERTICAL RADIATOR, AND (B) A GROUND-PLANE STRUCTURE AT THE BASE OF THE RADIATOR COMPRISING A PLURALITY OF HELICALLY COILED SPRING MEMBERS FREE FOR TENSION EXPANSION AND EXTENDING IN AN AT LEAST PARTIALLY RADIAL DIRECTION FROM THE BASE OF THE RADIATOR,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |