Patent US3319979A successfully refreshed from Google Patents.
Patent US2686134A successfully refreshed from Google Patents.
US2686134A
Expired / Lapsed
US
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Coating of welding rod
Assignee: Individual
•
Filing: 1951-06-29
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Granted: 1954-08-10
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Walter H Wooding
- 👤 Charles T Gayley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:06
CPC Classifications
B; B23; B23K; B23K35/00; 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; Y10T428/2955
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
THE METHOD OF FABRICATING A COATED WELD ROD, SAID METHOD COMPRISING FORMING A COMPOSITION INCLUDING FLUX FORMING AND SLAG FORMING INGREDIENTS, AN ALKALI SILICATE, WATER AND FROM 0.5% TO 4.0% OF LITHIUM BORATE, THE MELTING POINTS OF AT LEAST SOME OF SAID SLAG FORMING INGREDIENTS BEING HIGHER THAN THE MELTING POINT OF SAID BORATE, COATING A WELD ROD WITH SAID COMPOSITION AND THEREAFTER SINTERING SAID COATING.
References Cited (Backward Citations)
GB285674A
Cited
US2118680A
Cited
GB553170A
Cited
GB573337A
Cited
US2442892A
Cited
GB579635A
Cited
GB609598A
Cited
GB618304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |