US3356933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Displacement sensor comprising differential transformer with nonmagnetic core
Assignee: Individual
•
Filing: 1964-10-27
•
Granted: 1967-12-05
•
Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Clifford O Stettler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:44
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2275; G01D5/2283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2325279A
Cited
US2427866A
Cited
US2568587A
Cited
US3205485A
Cited
US3210746A
Cited
US3286145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |