US2961479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mid span spacer and service tap assembly
Assignee: McGraw Edison Co
•
Filing: 1957-07-12
•
Granted: 1960-11-22
•
Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Bertling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/12; Y; Y10; Y10S; Y10S285/00; Y10S285/902; Y10T; Y10T403/00; Y10T403/71; Y10T403/7194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US619444A
Cited
DE569618C
Cited
CA478356A
Cited
US1210701A
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US1505220A
Cited
GB253188A
Cited
US2065843A
Cited
US2805277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |