US3119960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic marine speedometer mounted substantially flush with an outer surface of a ship
Assignee: Individual
•
Filing: 1960-05-10
•
Granted: 1964-01-28
•
Expires: 1980-05-10
Abstract
No abstract record available.
Inventors
- 👤 David E Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A SENSOR DEVICE FOR DETERMINING THE SPEED OF A VESSEL TRAVELLING THROUGH WATER COMPRISING A MAGNET HAVING TWO POLE FACES ONLY THAT SUBSTANTIALLY FACE IN THE SAME DIRECTION AND SUBSTANTIALLY LIE IN THE SAME PLANE, FIRST ELECTRODE MEANS LYING BETWEEN SAID POLE FACES SUBSTANTIALLY IN THE PLANE OF SAID POLES, FURTHER ELECTRODE MEANS HAVING FIRST AND SECOND ELECTRICALLY CONNECTED PARTS LOCATED ON OPPOSITE SIDES OF THE SPACE BETWEEN SAID POLE FACES RESPECTIVELY, SAID PARTS SUBSTANTIALLY LYING IN THE PLANE OF SAID POLE FACES, MEANS FOR CONNECTING A FIRST OUTPUT TERMINAL TO SAID FIRST ELECTRODE MEANS, MEANS FOR CONNECTING A SECOND OUTPUT TERMINAL TO SAID FURTHER ELECTRODE MEANS, AND MEANS FOR ATTACHING THE SENSOR DEVICE TO SAID VESSEL SO THAT SAID POLE FACES AND SAID ELECTRODES ARE SUBSTANTIALLY FLUSH WITH AN OUTER SURFACE OF SAID VESSEL.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |