US1166034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus for transmitting signals.
Assignee: Krupp Stahl AG
•
Filing: 1915-03-09
•
Granted: 1915-12-28
•
Expires: 1935-03-09
Abstract
No abstract record available.
Inventors
- 👤 Walter Akemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:59
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/38; G08C19/46; G08C19/48
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) | 1918-12-27 | 1919-06-28 | 1919-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-12-27 | 1923-06-28 | 1923-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-12-27 | 1927-06-28 | 1927-12-28 | $7700.00 | Window Closed / Lapsed |