US3287969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log for indicating velocity of motion of watercraft
Assignee: D'ETUDES POUR L'UTILISATION DES MATIERES PLASTIQUES DANS L'INDUSTRIE Ste
•
Filing: 1964-01-17
•
Granted: 1966-11-29
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Hardy Constant Joseph Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:05
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/02; G01P5/06; G01P5/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A LOG SYSTEM COMPRISING A FIRST PLASTIC MOLDING CONSTITUTING A FIXED SUPPORT INCLUDING A FAIRED MEMBER AND AN INTEGRAL STEM PROJECTING UPWARD THEREFROM FOR ATTACHMENT TO A WATER CRAFT, AND A SECOND PLASTIC MOLDING COMPRISING AN IMPELLER HUB HAVING INTEGRAL IMPELLER BLADES PROJECTING OUTWARD THEREFROM FOR ROTATION BY THE MOTION OF SAID CRAFT THROUGH THE WATER, A.-C. GENERATING MEANS INCLUDING A PERMANENT MAGNET ROTOR IMBEDDED IN SAID PLASTIC HUB AND A STATOR WINDING IMBEDDED IN SAID FAIRED MEMBER IN ELECTROMAGNETICALLY COUPLED RELATION WITH SAID MAGNET ROTOR, CONDUCTOR MEANS CONNECTED TO SAID WINDING AND EXTENDING THROUGH SAID STEM TO SAID CRAFT, AND ELECTRIC MEANS ABOARD THE CRAFT CONNECTED TO SAID CONDUCTOR MEANS FOR INDICATING A CHARACTERISTIC OF THE A.-C. ENERGY GENERATED BY SAID GENERATING MEANS.
Claim 2
Dependent Claim
124 words
A LOG SYSTEM COMPRISING A FIRST PLASTIC MOLDING CONSTITUTING A FIXED SUPPORT INCLUDING A FAIRED MEMBER AND AN INTEGRAL STEM PROJECTING UPWARD THEREFROM FOR ATTACHMENT TO A WATER CRAFT, AND A SECOND PLASTIC MOLDING COMPRISING AN IMPELLER HUB HAVING INTEGRAL IMPELLER BLADES PROJECTING OUTWARD THEREFROM FOR ROTATION BY THE MOTION OF SAID CRAFT THROUGH THE WATER, A.-C. GENERATING MEANS INCLUDING A PERMANENT MAGNET ROTOR IMBEDDED IN SAID PLASTIC HUB AND A STATOR WINDING IMBEDDED IN SAID FAIRED MEMBER IN ELECTROMAGNETICALLY COUPLED RELATION WITH SAID MAGNET ROTOR, CONDUCTOR MEANS CONNECTED TO SAID WINDING AND EXTENDING THROUGH SAID STEM TO SAID CRAFT, AND ELECTRIC MEANS ABOARD THE CRAFT CONNECTED TO SAID CONDUCTOR MEANS FOR INDICATING A CHARACTERISTIC OF THE A.-C. ENERGY GENERATED BY SAID GENERATING MEANS.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |