US1672979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loaded conductor
Assignee: AT&T Inc
•
Filing: 1924-10-01
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Granted: 1928-06-12
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Expires: 1944-10-01
Abstract
No abstract record available.
Inventors
- 👤 Fondiller William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:12
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/28; H01B13/285; H01B11/00; H01B11/02; H01B11/12; H01B11/14; H01B11/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-06-12 | 1931-12-12 | 1932-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-06-12 | 1935-12-12 | 1936-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-06-12 | 1939-12-12 | 1940-06-12 | $7700.00 | Window Closed / Lapsed |