Patent US1997502A successfully refreshed from Google Patents.
Patent US2885484A successfully refreshed from Google Patents.
Patent US2932880A successfully refreshed from Google Patents.
Patent US968468A successfully refreshed from Google Patents.
US968468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-controller-retarding device.
Assignee: Individual
•
Filing: 1909-12-17
•
Granted: 1910-08-23
•
Expires: 1929-12-17
Abstract
No abstract record available.
Inventors
- 👤 Edward A Halbleib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:58
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/684; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20714
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) | 1913-08-22 | 1914-02-21 | 1914-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-22 | 1918-02-21 | 1918-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-22 | 1922-02-21 | 1922-08-23 | $7700.00 | Window Closed / Lapsed |