US3396619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid amplifier employing boundary layer effect
Assignee: Individual
•
Filing: 1960-10-19
•
Granted: 1968-08-13
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Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Romald E Bowles
- 👤 Raymond W Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; F15; F15B; F15B20/00; F15C; F15C1/00; F15C1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/206; Y10T137/2087; Y10T137/2098; Y10T137/2104; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2267; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8858; Y10T83/886
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
19 words
THE COMBINATION ACCORDING TO CLAIM 135 WHEREIN SAID MEANS FOR ISSUING A STREAM OF FLUID COMPRISES A POWER NOZZLE.
References Cited (Backward Citations)
US2727525A
Cited
US2985181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |