US1770969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for sheathing cores
Assignee: AT&T Inc
•
Filing: 1928-12-19
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Granted: 1930-07-22
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Expires: 1948-12-19
Abstract
No abstract record available.
Inventors
- 👤 Cherry George Lafayette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/05; Y; Y10; Y10S; Y10S118/00; Y10S118/18
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) | 1933-07-21 | 1934-01-20 | 1934-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-21 | 1938-01-20 | 1938-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-21 | 1942-01-20 | 1942-07-22 | $7700.00 | Window Closed / Lapsed |