US863247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for transmitting electrical energy.
Assignee: AT&T Inc
•
Filing: 1903-02-07
•
Granted: 1907-08-13
•
Expires: 1923-02-07
Abstract
No abstract record available.
Inventors
- 👤 Walter C Yeatman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/32; H04B3/34; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-08-12 | 1911-02-11 | 1911-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-08-12 | 1915-02-11 | 1915-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-08-12 | 1919-02-11 | 1919-08-13 | $7700.00 | Window Closed / Lapsed |