US2717979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern controlled coarse-fine servomechanism
Assignee: Boeing Co
•
Filing: 1951-09-18
•
Granted: 1955-09-13
•
Expires: 1971-09-18
Abstract
No abstract record available.
Inventors
- 👤 Edward M Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:44
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1123067A
Cited
US1788670A
Cited
US1985982A
Cited
US2116593A
Cited
US2410295A
Cited
US2494922A
Cited
US2437603A
Cited
US2494663A
Cited
US2634387A
Cited
US2588742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |