Patent US2663753A successfully refreshed from Google Patents.
US2663753A
Expired / Lapsed
US
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Coupling means for coaxial electrical lines
Assignee: Individual
•
Filing: 1948-05-21
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Granted: 1953-12-22
•
Expires: 1968-05-21
Abstract
No abstract record available.
Inventors
- 👤 James R Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:40
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/38; H01R24/40; H01R2103/00
Claims Analysis
Total Claims: 0
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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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |