Patent FR712706A successfully refreshed from Google Patents.
Patent US2982962A successfully refreshed from Google Patents.
US2982962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system
Assignee: SPX Technologies Inc
•
Filing: 1957-06-12
•
Granted: 1961-05-02
•
Expires: 1977-06-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Kendall
- 👤 Jr John H Auer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:08
CPC Classifications
B; B61; B61L; B61L17/00; H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q1/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2054896A
Cited
US2112282A
Cited
US2430568A
Cited
US2494691A
Cited
FR53193E
Cited
US2825062A
Cited
US2539680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |