US2889238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating for cleaning and protecting metals
Assignee: Solar Aircraft Co
•
Filing: 1954-07-13
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Granted: 1959-06-02
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Expires: 1974-07-13
Abstract
No abstract record available.
Inventors
- 👤 John V Long
- 👤 John V Furth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:04
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C24/106; B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3606; C21; C21D; C21D1/00; C21D1/68; C21D1/70
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
64 words
A HEAT REACTED COMPOSITION OF MATTER CONSISTING ESSENTIALLY FROM 2 TO 5 MOLAR PARTS OF BORIC ANHYDRIDE, ONE-HALF TO ONE MOLAR PART OF AT LEAST ONE ALKALINE EARTH OXIDE SELECTED FROM THE GROUP CONSISTING OF BARIUM OXIDE, CALCIUM OXIDE, STRONTIUM OXIDE, AND MAGNESIUM OXIDE, AND UP TO ONE MOLAR PART OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON DIOXIDE AND CALCIUM FLORIDE.
Claim 2
Dependent Claim
64 words
A HEAT REACTED COMPOSITION OF MATTER CONSISTING ESSENTIALLY FROM 2 TO 5 MOLAR PARTS OF BORIC ANHYDRIDE, ONE-HALF TO ONE MOLAR PART OF AT LEAST ONE ALKALINE EARTH OXIDE SELECTED FROM THE GROUP CONSISTING OF BARIUM OXIDE, CALCIUM OXIDE, STRONTIUM OXIDE, AND MAGNESIUM OXIDE, AND UP TO ONE MOLAR PART OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON DIOXIDE AND CALCIUM FLORIDE.
Claim 3
Dependent Claim
82 words
A SLIP FOR FLOW COATING A METALLIC SURFACE WITH A METAL FROM THE GROUP CONSISTING OF BRONZE, SILVER, CHROMIUM-NICKEL-BORON, NICKEL-MANGANESE, AND OTHER METALS AND ALLOYS WHICH MELT BETWEEN ABOUT 1300*F.-2200* F., CONSISTING ESSENTIALLY OF ABOUT 30 PARTS BY WEIGHT OF SAID COATING METAL IN PARTICLE FORM, ABOUT 40 PARTS BY WEIGHT OF THE COMPOSITION OF MATTERDEFINED IN CLAIM 1, ABOUT 10 PARTS BY WEIGHT OF FUSED ALUMINA, ABOUT 20 PARTS BY WEIGHT OF CLAY, AND ABOUT 50 PARTS BY WEIGHT OF WATER.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |