Patent US2697159A successfully refreshed from Google Patents.
US2697159A
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Welding electrode and coating and method of making the same
Assignee: Foote Mineral Co
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Filing: 1951-08-14
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Granted: 1954-12-14
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Expires: 1971-08-14
Abstract
No abstract record available.
Inventors
- 👤 John W Donahey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:56
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/40; B23K35/404; B23K35/22; B23K35/36; B23K35/365; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2953; Y10T428/2955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A FLUX-CONTAINING WELDING ELECTRODE COATING COMPRISING DISCRETE PARTICLES OF WELDING FLUX INGREDIENTS BONDED TO EACH OTHER AND TO A WELDING ELECTRODE BY MEANS OF FROM ABOUT 7% TO ABOUT 40% OF A HYDROPHOBIC WATER-INSOLUBLE GLASS WHICH SOFTENS AND FLOWS UNDER ITS OWN WEIGHT WHEN HEATED AT 1200* F. FOR FIVE MINUTES.
Claim 2
Dependent Claim
51 words
A FLUX-CONTAINING WELDING ELECTRODE COATING COMPRISING DISCRETE PARTICLES OF WELDING FLUX INGREDIENTS BONDED TO EACH OTHER AND TO A WELDING ELECTRODE BY MEANS OF FROM ABOUT 7% TO ABOUT 40% OF A HYDROPHOBIC WATER-INSOLUBLE GLASS WHICH SOFTENS AND FLOWS UNDER ITS OWN WEIGHT WHEN HEATED AT 1200* F. FOR FIVE MINUTES.
References Cited (Backward Citations)
US2294914A
Cited
US1119905A
Cited
US1741031A
Cited
DE590651C
Cited
US1872320A
Cited
US1938691A
Cited
US1903620A
Cited
US2063252A
Cited
US2343908A
Cited
DE702057C
Cited
US2249007A
Cited
US2321763A
Cited
FR872981A
Cited
US2324812A
Cited
US2466043A
Cited
US2414633A
Cited
GB579635A
Cited
US2510960A
Cited
US2483393A
Cited
US2452493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |