US3064257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna with adjustable tuning reactance
Assignee: Individual
•
Filing: 1958-02-14
•
Granted: 1962-11-13
•
Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 James D Guest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:07
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1441212A
Cited
US2069513A
Cited
US2251631A
Cited
GB577863A
Cited
GB561787A
Cited
US2419311A
Cited
GB628986A
Cited
US2575199A
Cited
US2598810A
Cited
US2753530A
Cited
GB707142A
Cited
US2622203A
Cited
US2786976A
Cited
US2758268A
Cited
US2860248A
Cited
US2826698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |