US2663752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded electrical conductor with grounding strand
Assignee: AT&T Inc
•
Filing: 1950-03-10
•
Granted: 1953-12-22
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Wier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/024; H01B9/028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US568756A
Cited
US1697142A
Cited
US2166420A
Cited
US1939451A
Cited
US2028793A
Cited
US2415652A
Cited
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 |