Patent US2660547A successfully refreshed from Google Patents.
US2660547A
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Method of forming a particle coating on a metal component of an electric discharge device
Assignee: The General Electric Company PLC
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Filing: 1952-02-08
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Granted: 1953-11-24
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Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robertshaw Robert Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:44
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A METHOD OF FORMING A PARTICLE COATING ON A METAL COMPONENT OF AN ELECTRIC DISCHARGE DEVICE, COMPRISING THE SUCCESSIVE STEPS OF PREPARING A SUSPENSION OF FINELY DIVIDED PARTICLES WITH A BINDER IN A SOLVENT, POURING THE SUSPENSION ONTO A SMOOTH HORIZONTAL SURFACE OVER WHICH IT SPREADS, ALLOWING THE SOLVENT TO EVAPORATE SO AS TO LEAVE A THIN SOLID FILM CONSISTING OF THE PARTICLES AND THE BINDER, WETTING AN AREA OF THE SURFACE OF THE METAL COMPONENT WITH A VOLATILE SOLVENT FOR THE BINDER, CAUSING AT LEAST A PART OF THE FILM TO ADHERE TO THE METAL COMPONENT BY APPLYING SAID PART OF THE FILM TO THE WETTED AREA, AND HEATING THE METAL COMPONENT TO A TEMPERATURE SUFFICIENT TO CAUSE THE BINDER TO BE DRIVEN OFF AND THE PARTICLES TO ADHERE FIRMLY TO THE SURFACE OF THE METAL COMPONENT.
Claim 2
Independent Claim
138 words
A METHOD OF FORMING A PARTICLE COATING ON A METAL COMPONENT OF AN ELECTRIC DISCHARGE DEVICE, COMPRISING THE SUCCESSIVE STEPS OF PREPARING A SUSPENSION OF FINELY DIVIDED PARTICLES WITH A BINDER IN A SOLVENT, POURING THE SUSPENSION ONTO A SMOOTH HORIZONTAL SURFACE OVER WHICH IT SPREADS, ALLOWING THE SOLVENT TO EVAPORATE SO AS TO LEAVE A THIN SOLID FILM CONSISTING OF THE PARTICLES AND THE BINDER, WETTING AN AREA OF THE SURFACE OF THE METAL COMPONENT WITH A VOLATILE SOLVENT FOR THE BINDER, CAUSING AT LEAST A PART OF THE FILM TO ADHERE TO THE METAL COMPONENT BY APPLYING SAID PART OF THE FILM TO THE WETTED AREA, AND HEATING THE METAL COMPONENT TO A TEMPERATURE SUFFICIENT TO CAUSE THE BINDER TO BE DRIVEN OFF AND THE PARTICLES TO ADHERE FIRMLY TO THE SURFACE OF THE METAL COMPONENT.
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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |