Patent US2581846A successfully refreshed from Google Patents.
US2581846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyrostatic stabilizer
Assignee: ABB Norden Holding AB
•
Filing: 1947-01-21
•
Granted: 1952-01-08
•
Expires: 1967-01-21
Abstract
No abstract record available.
Inventors
- 👤 Eriksson Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:03
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; G01C19/46; G01C19/54; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1324128A
Cited
US1446348A
Cited
US1801329A
Cited
US2200196A
Cited
US2427130A
Cited
US2456020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |