Patent US3804796A successfully refreshed from Google Patents.
US3272973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal turbulence indicator
Assignee: METEOROLOGY RES Inc
•
Filing: 1962-08-27
•
Granted: 1966-09-13
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul B Maccready
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
B; B64; B64D; B64D45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
APPARATUS FOR MEASURING AIR TUBULENCE COMPRISING AN AIRSPEED SENSOR, ELECTRICAL SIGNAL GENERATOR MEANS CONNECTED TO SAID AIRSPEED SENSOR FOR GENERATING AN ELECTRICAL SIGNAL WHICH IS A FUNCTION OF THE TWO-THIRDS POWER OF THE AIRSPEED SENSED, SIGNAL FILTER MEANS HAVING AN INPUT AND AN OUTPUT AND OPERABLE TO PASS A BAND OF FREQUENCIES CORRESPONDING TO FREQUENCIES LESS THAN A FREQUENCY OF TWO HUNDREN METERS DIVIDED BY THE AIRSPEED SENSED, MEANS FOR APPLYING THE ELECTRICAL SIGNAL FROM THE SIGNAL FILTER MEANS TO THE FILTER INPUT, AND INDICATOR MEANS CONNECTED TO THE OUTPUT OF THE FILTER MEANS AND OPERABLE IN RESPONSE TO HE ELECTRICAL SIGNAL OUTPUT OF THE FILTER MEANS TO PROVIDE AN INDICATION WHICH IS A FUNCTION OF THE ELECTRICAL SIGNAL OUTPUT OF THE SIGNAL MEANS.
Claim 2
Dependent Claim
124 words
APPARATUS FOR MEASURING AIR TUBULENCE COMPRISING AN AIRSPEED SENSOR, ELECTRICAL SIGNAL GENERATOR MEANS CONNECTED TO SAID AIRSPEED SENSOR FOR GENERATING AN ELECTRICAL SIGNAL WHICH IS A FUNCTION OF THE TWO-THIRDS POWER OF THE AIRSPEED SENSED, SIGNAL FILTER MEANS HAVING AN INPUT AND AN OUTPUT AND OPERABLE TO PASS A BAND OF FREQUENCIES CORRESPONDING TO FREQUENCIES LESS THAN A FREQUENCY OF TWO HUNDREN METERS DIVIDED BY THE AIRSPEED SENSED, MEANS FOR APPLYING THE ELECTRICAL SIGNAL FROM THE SIGNAL FILTER MEANS TO THE FILTER INPUT, AND INDICATOR MEANS CONNECTED TO THE OUTPUT OF THE FILTER MEANS AND OPERABLE IN RESPONSE TO HE ELECTRICAL SIGNAL OUTPUT OF THE FILTER MEANS TO PROVIDE AN INDICATION WHICH IS A FUNCTION OF THE ELECTRICAL SIGNAL OUTPUT OF THE SIGNAL MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |