US2958830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial line load device
Assignee: Bird Electronic Corp
•
Filing: 1954-10-04
•
Granted: 1960-11-01
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 James R Bird
- 👤 Blossy D Frederico
- 👤 Herbert H Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; H01P1/262
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2179971A
Cited
US2442337A
Cited
US2409599A
Cited
US2677109A
Cited
US2594874A
Cited
US2547437A
Cited
US2556642A
Cited
US2655635A
Cited
US2657329A
Cited
US2704348A
Cited
US2712589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |