US3359795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wind velocity instrument
Assignee: Gulf Research and Development Co
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Filing: 1965-04-29
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Granted: 1967-12-26
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Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
VELOCITY MEASURING APPARATUS COMPRISING A PAIR OF CONVEX MEMBERS, SUPPORT MEANS FOR MAINTAINING SAID MEMBERS IN SPACED-APART RELATIONSHIP WITH THE CONVEX SURFACES FACING EACH OTHER, THE CONVEX CENTRAL REGIONS OF SAID MEMBERS FACING EACH OTHER IN SPACED-APART RELATIONSHIP TO FORM A CIRCULAR VENTURI-LIKE THROAT THEREBETWEEN, ONE OF SAID MEMBERS BEING GRAVITY BIASED TOWARD THE OTHER OF SAID MEMBERS AT ALL TIMES, SAID SUPPORT MEANS ADAPTED TO PERMIT MOVEMENT OF SAID MEMBERS RELATIVE TO EACH OTHER UPON CHANGES IN VELOCITY OF A FLUID FLOWING ACROSS SAID APPARATUS, AND MEASURING MEANS FOR MEASURING THE EXTENT OF MOVEMENT OF SAID MEMBERS RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
102 words
VELOCITY MEASURING APPARATUS COMPRISING A PAIR OF CONVEX MEMBERS, SUPPORT MEANS FOR MAINTAINING SAID MEMBERS IN SPACED-APART RELATIONSHIP WITH THE CONVEX SURFACES FACING EACH OTHER, THE CONVEX CENTRAL REGIONS OF SAID MEMBERS FACING EACH OTHER IN SPACED-APART RELATIONSHIP TO FORM A CIRCULAR VENTURI-LIKE THROAT THEREBETWEEN, ONE OF SAID MEMBERS BEING GRAVITY BIASED TOWARD THE OTHER OF SAID MEMBERS AT ALL TIMES, SAID SUPPORT MEANS ADAPTED TO PERMIT MOVEMENT OF SAID MEMBERS RELATIVE TO EACH OTHER UPON CHANGES IN VELOCITY OF A FLUID FLOWING ACROSS SAID APPARATUS, AND MEASURING MEANS FOR MEASURING THE EXTENT OF MOVEMENT OF SAID MEMBERS RELATIVE TO EACH OTHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |