US2666185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning plunger for a coaxial line type ultrahigh-frequency circuit
Assignee: Individual
•
Filing: 1946-02-18
•
Granted: 1954-01-12
•
Expires: 1966-02-18
Abstract
No abstract record available.
Inventors
- 👤 George E Hulstede
- 👤 John G Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:45
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/28; H01P7/00; H01P7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2226479A
Cited
US2342254A
Cited
US2557391A
Cited
US2451876A
Cited
US2463415A
Cited
US2392664A
Cited
US2521763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |