Patent US2943135A successfully refreshed from Google Patents.
US2943135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated dead-end for cables and the like
Assignee: McGraw Edison Co
•
Filing: 1957-12-12
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Granted: 1960-06-28
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Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Bertling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:26
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/05; H02G7/053; H02G7/056; Y; Y10; Y10S; Y10S174/00; Y10S174/12; Y10S57/00; Y10S57/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1132594A
Cited
US2761273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |