US1706276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric transmission system
Assignee: Individual
•
Filing: 1927-02-05
•
Granted: 1929-03-19
•
Expires: 1947-02-05
Abstract
No abstract record available.
Inventors
- 👤 Zweigbergk Thorsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:47
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
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) | 1932-03-18 | 1932-09-17 | 1933-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-18 | 1936-09-17 | 1937-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-18 | 1940-09-17 | 1941-03-19 | $7700.00 | Window Closed / Lapsed |