US2633426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a powder coating on a surface
Assignee: General Electric Co
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Filing: 1950-07-07
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Granted: 1953-03-31
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Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Koller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:34
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221; B; B05; B05D; B05D1/00; B05D1/18; B05D1/20; B05D2401/00; B05D2401/30; B05D2401/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHD OF FORMING A POWDER COATING ONE PARTICLE THICK ON A SURFACE WHICH COMPRISES RENDERING THE POWDER PARTICLES LIQUID-REPELLENT, FLOATING SAID POWDER PARTICLES ON A CLEAN LIQUID SURFACE TO FORM A DISPERSED POWDER LAYER THEREON, REDUCING THE AREA OF THE POWDER LAYER UNTIL THE APPEARANCE OF INCIPIENT WRINKLES IN THE LAYER, PASSING THE SURFACE DESIRED TO BE COATED UPWARD THROUGH THE POWDER LAYER AND THEREAFTER DRYING THE COATING.
Claim 2
Dependent Claim
69 words
THE METHD OF FORMING A POWDER COATING ONE PARTICLE THICK ON A SURFACE WHICH COMPRISES RENDERING THE POWDER PARTICLES LIQUID-REPELLENT, FLOATING SAID POWDER PARTICLES ON A CLEAN LIQUID SURFACE TO FORM A DISPERSED POWDER LAYER THEREON, REDUCING THE AREA OF THE POWDER LAYER UNTIL THE APPEARANCE OF INCIPIENT WRINKLES IN THE LAYER, PASSING THE SURFACE DESIRED TO BE COATED UPWARD THROUGH THE POWDER LAYER AND THEREAFTER DRYING THE COATING.
References Cited (Backward Citations)
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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) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |