Patent US2869077A successfully refreshed from Google Patents.
US2869077A
Expired / Lapsed
US
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Method and means for identifying wire-pairs
Assignee: Individual
•
Filing: 1954-03-29
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Granted: 1959-01-13
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Emory V Houk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:50
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/22; H04M3/229; G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1340935A
Cited
US2133384A
Cited
US2244041A
Cited
US2529227A
Cited
US2524141A
Cited
US2622130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |