Patent US2718254A successfully refreshed from Google Patents.
Patent US2244369A successfully refreshed from Google Patents.
US2907938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position control system
Assignee: General Electric Co
•
Filing: 1957-04-11
•
Granted: 1959-10-06
•
Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hodgers
- 👤 Lloyd C Harriott
- 👤 Hugh M Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/39; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2543950A
Cited
US2566831A
Cited
US2537427A
Cited
US2666170A
Cited
US2792545A
Cited
US2808548A
Cited
GB758846A
Cited
US2738493A
Cited
US2849668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |