US2469721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cable composition
Assignee: Standard Oil Development Co
•
Filing: 1944-10-21
•
Granted: 1949-05-10
•
Expires: 1964-10-21
Abstract
No abstract record available.
Inventors
- 👤 Gidley Philip Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:27
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L27/00; C08L27/02; C08L27/04; C08L27/08; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; H01B3/443; H01B3/447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374841A
Cited
US2330353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |