US2952823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency coaxial transmission line elbow fittings
Assignee: Boeing Co
•
Filing: 1956-03-26
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Granted: 1960-09-13
•
Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kearney G Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/02; H01R; H01R24/00; H01R24/38; H01R24/40; H01R24/54; H01R24/545; H01R2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397221A
Cited
US1238885A
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US2376324A
Cited
US2413298A
Cited
US2587676A
Cited
US2813144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |