US2910865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of visualizing flow patterns
Assignee: Allis Chalmers Corp
•
Filing: 1956-08-30
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Granted: 1959-11-03
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 Richard E Opdyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:20
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE IMPRIVEMENT IN THE ART OF VISULATING THE FLOW PATTERNS OF A STREAM OF COMBUSTION SUPPORTING NONCOMBUSTIBLE GAS PASSING THROUGH AN AERODYNAMIC PROTOTYPE COMPRISING INTRODUCING A BURNING TRACER PARTICLE INTO THE STREAM, AND RELEASING SAID PARTICULES INTO THE STREAM TO BE CARRIED BY THE STREAM, SAID PARTICULE HAVING SUFFICENTLY LOW
Claim 2
Dependent Claim
50 words
THE IMPRIVEMENT IN THE ART OF VISULATING THE FLOW PATTERNS OF A STREAM OF COMBUSTION SUPPORTING NONCOMBUSTIBLE GAS PASSING THROUGH AN AERODYNAMIC PROTOTYPE COMPRISING INTRODUCING A BURNING TRACER PARTICLE INTO THE STREAM, AND RELEASING SAID PARTICULES INTO THE STREAM TO BE CARRIED BY THE STREAM, SAID PARTICULE HAVING SUFFICENTLY LOW
References Cited (Backward Citations)
US1676984A
Cited
US2131041A
Cited
US2616291A
Cited
US2637208A
Cited
US2628897A
Cited
US2795738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |