US1501886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopic navigation instrument
Assignee: General Electric Co
•
Filing: 1921-10-27
•
Granted: 1924-07-15
•
Expires: 1941-10-27
Abstract
No abstract record available.
Inventors
- 👤 Charles G Abbot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218; Y10T74/1221
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) | 1927-07-15 | 1928-01-14 | 1928-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-15 | 1932-01-14 | 1932-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-15 | 1936-01-14 | 1936-07-15 | $7700.00 | Window Closed / Lapsed |