US2433725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for power generating systems
Assignee: Askania Regulator Co
•
Filing: 1944-03-27
•
Granted: 1947-12-30
•
Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Ziebolz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
H; H02; H02P; H02P9/00; G; G05; G05D; G05D13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1967988A
Cited
US1838265A
Cited
USRE19114E
Cited
US1537044A
Cited
US1477263A
Cited
US1513103A
Cited
US1721800A
Cited
US1975086A
Cited
US2150113A
Cited
US1969526A
Cited
US2025629A
Cited
US2098914A
Cited
US2184224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |