US3349301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed open capacitance probe for fuel systems
Assignee: Simmonds Precision Products Inc
•
Filing: 1964-10-13
•
Granted: 1967-10-24
•
Expires: 1984-10-13
Abstract
No abstract record available.
Inventors
- 👤 Charles C Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/268
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
IN A CAPACITANCE PROBE FOR MEASURING A RAPIDLY CHANGING LIQUID LEVEL, THE COMBINATION OF AN ELONGATED ELECTRODE COLUMN HAVING AN INNER ELECTRODE TUBE AND A PLURALITY OF OUTER ELECTRODE TUBES EQUALLY SPACED APART AND EQUALLY SPACED FROM SAID INNER ELECTRODE, MEANS FOR
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |