Patent US3416328A successfully refreshed from Google Patents.
US2466079A
Expired / Lapsed
US
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Fault locator coil
Assignee: Individual
•
Filing: 1945-10-03
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Granted: 1949-04-05
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Expires: 1965-10-03
Abstract
No abstract record available.
Inventors
- 👤 William J Brunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:14
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761280A
Cited
US1254288A
Cited
US1412376A
Cited
US1523398A
Cited
US1724973A
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US2306783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |