Patent US2306387A successfully refreshed from Google Patents.
Patent US3196678A successfully refreshed from Google Patents.
US3196678A
Expired / Lapsed
US
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Averaging weather vane
Assignee: Cardion Electronics Inc
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Filing: 1962-07-20
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Granted: 1965-07-27
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Expires: 1982-07-20
Abstract
No abstract record available.
Inventors
- 👤 Toro Michael J Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A WEATHER VANE COMPRISING: A WIND-DEFLECTABLE ROTATABLE VANE HAVING A PREDETERMINED MOMENT OF INERTIA AND A PREDETERMINED AERODYNAMIC STIFFNESS AND WHICH FOR USUAL WIND VELOCITIES IS SUBJECT TO RESONANT OSCILLATION AT A FREQUENCY INDEPENDENT OF THE FREQUENCY OF WIND DIRECTION FLUCTUATIONS PRECLUDING THE ACCURATE DETERMINATION OF WIND DIRECTION; A NONFRICTION DAMPING APPARATUS INCLUDING A STATIONARY ELEMENT AND AN ELEMENT SECURED TO SAID VANE AND HAVING A DAMPING CONSTANT PROPORTIONED TO DAMP RESONANT OSCILLATION OF SAID VANE BEYOND THE CRITICAL VALUE FOR WIND VELOCITY OF A GIVEN VALUE; AND MEANS COUPLED TO SAID VANE FOR DETERMINING WIND DIRECTION.
Claim 2
Dependent Claim
97 words
A WEATHER VANE COMPRISING: A WIND-DEFLECTABLE ROTATABLE VANE HAVING A PREDETERMINED MOMENT OF INERTIA AND A PREDETERMINED AERODYNAMIC STIFFNESS AND WHICH FOR USUAL WIND VELOCITIES IS SUBJECT TO RESONANT OSCILLATION AT A FREQUENCY INDEPENDENT OF THE FREQUENCY OF WIND DIRECTION FLUCTUATIONS PRECLUDING THE ACCURATE DETERMINATION OF WIND DIRECTION; A NONFRICTION DAMPING APPARATUS INCLUDING A STATIONARY ELEMENT AND AN ELEMENT SECURED TO SAID VANE AND HAVING A DAMPING CONSTANT PROPORTIONED TO DAMP RESONANT OSCILLATION OF SAID VANE BEYOND THE CRITICAL VALUE FOR WIND VELOCITY OF A GIVEN VALUE; AND MEANS COUPLED TO SAID VANE FOR DETERMINING WIND DIRECTION.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |