US2969419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractile cords
Assignee: AT&T Inc
•
Filing: 1954-09-07
•
Granted: 1961-01-24
•
Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Alvin N Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:13
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206934A
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US2281542A
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US2438956A
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US2408398A
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US2413715A
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US2452431A
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US2525285A
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US2645249A
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US2609417A
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US2704782A
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US2695422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |