US3259900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Droppable antenna
Assignee: Individual
•
Filing: 1963-01-04
•
Granted: 1966-07-05
•
Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 Frank E Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:17
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H01Q1/288
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
AN ANTENNA ASSEMBLY INCLUDING A HOUSING SUBSTANTIALLY IN THE FORM OF A HOLLOW GLOBE HAVING AN ELECTRICALLY CONDUCTIVE OUTER SHELL, FOUR ANTENNA ELEMENTS EXTENDING FROM SAID HOUSING THAT ARE MUTUALLY SUBSTANTIALLY EQUALLY SPACED FROM EACH OTHER AND A SWITCHING MEANS WITHIN SAID HOUSING COMPRISING A HOLLOW SPHERE HAVING FOUR PAIRS OF ELECTRODES THAT ARE MUTUALLY EQUALLY SPACED FROM EACH OTHER AND WHEREIN EACH OF SAID PAIR OF ELECTRODES ARE OPPOSITE TO A DISCRETE ANTENNA ELEMENT, A POOL OF ELEC-
References Cited (Backward Citations)
US2668239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |