US2937228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial cable splice
Assignee: ROBINSON MACHINE WORKS Inc
•
Filing: 1958-12-29
•
Granted: 1960-05-17
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:42
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US323964A
Cited
US653033A
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US2133448A
Cited
US2408253A
Cited
US2478082A
Cited
US2536003A
Cited
GB693371A
Cited
US2782391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |