US2789922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for applying a thin film of liquid
Assignee: Stewart Warner Corp
•
Filing: 1952-05-24
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Granted: 1957-04-23
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Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:37
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; B; B21; B21D; B21D37/00; B21D37/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF APPLYING TO A SURFACE A THIN COATING OF A LIQUID WHICH IS CAPABLE OF BEING SUBDIVIDED TO FORM AN AEROSOL, WHICH COMPRISES, SUPPLYING AN AEROSOL CLOUD OF THE LIQUID TO A SPACE NEAR THE SURFACE TO BE COATED, AND SIMULTANEOUSLY THEREWITH PASSING A THIN HIGH VELCOITY STREAM OF AIR ALONG THE SURFACE TO BE COATED BETWEEN THE LATTER AND THE AERSOL CLOUD SO THAT THE HIGH VELOCITY STREAM OF AIR DRAWS THE AEROSOL TOWARD THE SURFACE TO COALESCE LIQUID FROM THE AEROSOL ONT THE SURFACE, THE POINT OF FIRST CONTACT OF THE HIGH VELOCITY AIR STREAM BEING AT AN APPRECIABLE DISTANCE FROM THE AEROSOL CLOUD.
Claim 2
Independent Claim
108 words
THE METHOD OF APPLYING TO A SURFACE A THIN COATING OF A LIQUID WHICH IS CAPABLE OF BEING SUBDIVIDED TO FORM AN AEROSOL, WHICH COMPRISES, SUPPLYING AN AEROSOL CLOUD OF THE LIQUID TO A SPACE NEAR THE SURFACE TO BE COATED, AND SIMULTANEOUSLY THEREWITH PASSING A THIN HIGH VELCOITY STREAM OF AIR ALONG THE SURFACE TO BE COATED BETWEEN THE LATTER AND THE AERSOL CLOUD SO THAT THE HIGH VELOCITY STREAM OF AIR DRAWS THE AEROSOL TOWARD THE SURFACE TO COALESCE LIQUID FROM THE AEROSOL ONT THE SURFACE, THE POINT OF FIRST CONTACT OF THE HIGH VELOCITY AIR STREAM BEING AT AN APPRECIABLE DISTANCE FROM THE AEROSOL CLOUD.
References Cited (Backward Citations)
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US2281558A
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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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |