US2476317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for fault locations
Assignee: Western Union Telegraph Co
•
Filing: 1943-05-08
•
Granted: 1949-07-19
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Dale H Nelson
- 👤 James R Cosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:28
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1166159A
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US1361026A
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US1369403A
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US1540799A
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US1565613A
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US1958361A
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US1899824A
Cited
US2178617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |