US2697159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding electrode and coating and method of making the same
Assignee: Foote Mineral Co
•
Filing: 1951-08-14
•
Granted: 1954-12-14
•
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 11:52
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.
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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) | 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 |