Patent US3277365A successfully refreshed from Google Patents.
US3277365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device having two pairs of spaced conductive blocks for detecting segments of a conductor which are bare of insulation
Assignee: AT&T Inc
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Filing: 1963-11-19
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Granted: 1966-10-04
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Charles T Doran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:28
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3096478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |