US3229523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus employing vibratory energy
Assignee: Individual
•
Filing: 1963-09-10
•
Granted: 1966-01-18
•
Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Charles A Boyd
- 👤 Kartluke Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:22
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/296; G01F23/2966
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A LIQUID LEVEL PROBE COMPRISING AN ELONGATED COUPLING MEMBER, AT LEAST TWO SPACED SENSORS EXTENDING OUTWARDLY AND LONGITUDINALLY OF SAID MEMBER, NEIGHBORING SENSORS BEING IN LONGITUDINALLY OVERLAPPING RELATIONSHIP, AND MEANS FOR PROPAGATING ACOUSTIC WAVE ENERGY LONGITUDINALLY THROUGH SAID COUPLING MEMBER TO SAID
Claim 2
Dependent Claim
42 words
A LIQUID LEVEL PROBE COMPRISING AN ELONGATED COUPLING MEMBER, AT LEAST TWO SPACED SENSORS EXTENDING OUTWARDLY AND LONGITUDINALLY OF SAID MEMBER, NEIGHBORING SENSORS BEING IN LONGITUDINALLY OVERLAPPING RELATIONSHIP, AND MEANS FOR PROPAGATING ACOUSTIC WAVE ENERGY LONGITUDINALLY THROUGH SAID COUPLING MEMBER TO SAID
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |