US2552707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency coaxial coupling device
Assignee: Bird Electronic Corp
•
Filing: 1946-08-21
•
Granted: 1951-05-15
•
Expires: 1966-08-21
Abstract
No abstract record available.
Inventors
- 👤 Bird James Raymond
- 👤 Martin M Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/38; H01R24/40; H01R24/42; H01R24/44; H01R2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2425834A
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US2438915A
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US2453759A
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US2409599A
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US2468775A
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US2497706A
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US2449073A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |