US3515984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for measuring distance between spaced magnetic members
Assignee: Cleveland Technical Center Inc
•
Filing: 1968-08-05
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Granted: 1970-06-02
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph W King
- 👤 Donald L Mcclaren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:24
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2258; G01B; G01B7/00; G01B7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3100889A
Cited
DE1197494B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |