Patent US2817751A successfully refreshed from Google Patents.
US2817751A
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Welding electrode
Assignee: Individual
•
Filing: 1954-03-01
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Granted: 1957-12-24
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0272; B23K35/22; B23K35/36; B23K35/3601; B23K35/3602; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12083; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2944; Y10T428/2951; Y10T428/2953; Y10T428/2955
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A WELDING ELECTRODE COMPRISING A COPPER CIRE SURROUNDED BY AN ANNULAR STEEL SHEATH OF SUBSTANTIALLY EQUAL AMOUNT BY WEIGHT AND A SURROUNDING EXTERIOR FLUX COATING.
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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) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |