US2568588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential transformer with long stroke and linear output
Assignee: Automatic Temperature Control Co Inc
•
Filing: 1950-06-07
•
Granted: 1951-09-18
•
Expires: 1970-06-07
Abstract
No abstract record available.
Inventors
- 👤 William D Macgeorge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:50
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/12; G01B7/13; B; B21; B21B; B21B38/00; H; H01; H01F; H01F29/00; H01F29/08; H01F29/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |