Patent US2611041A successfully refreshed from Google Patents.
US2611041A
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Communication system line fault locating
Assignee: Individual
•
Filing: 1948-09-30
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Granted: 1952-09-16
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Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Cooper William Henry Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:59
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/08; G01R31/11; H; H04; H04B; H04B17/00; H04B17/40; H04B17/401; H04B17/402; H04B17/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1481831A
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US2315383A
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US2321723A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |