Patent US3360221A successfully refreshed from Google Patents.
US3360221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid dynamics of a bluff body
Assignee: Trane US Inc
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Filing: 1966-02-25
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Granted: 1967-12-26
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Heskestad Gunnaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:02
CPC Classifications
B; B64; B64C; B64C23/00; B64C2230/00; B64C2230/04; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF GENERATING A LATERAL FORCE ON A BLUFF BODY HAVING A SUBSTANTIALLY FLAT REAR WALL WITH AN OPENING THEREIN AND A SIDE WALL ANGULARLY CONNECTED TO SAID REAR WALL AND DEFINING A CONTINUOUS SLOTTED CORNER BETWEEN SAID WALLS, COMPRISING MOVING SAID BODY THROUGH A VISCOUS FLUID, APPLYING SUCTION TO SAID FLUID AT SAID SLOTTED CORNER, AND DISCHARGING SAID FLUID THROUGH SAID OPENING IN SAID REAR WALL.
Claim 2
Independent Claim
68 words
THE METHOD OF GENERATING A LATERAL FORCE ON A BLUFF BODY HAVING A SUBSTANTIALLY FLAT REAR WALL WITH AN OPENING THEREIN AND A SIDE WALL ANGULARLY CONNECTED TO SAID REAR WALL AND DEFINING A CONTINUOUS SLOTTED CORNER BETWEEN SAID WALLS, COMPRISING MOVING SAID BODY THROUGH A VISCOUS FLUID, APPLYING SUCTION TO SAID FLUID AT SAID SLOTTED CORNER, AND DISCHARGING SAID FLUID THROUGH SAID OPENING IN SAID REAR WALL.
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) | 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 |