Patent US2329564A successfully refreshed from Google Patents.
Patent US3405250A successfully refreshed from Google Patents.
US3405250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube wire electrode
Assignee: L-Tec Co
•
Filing: 1966-01-19
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Granted: 1968-10-08
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:42
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/368; B23K35/3601; B23K35/3608; B23K35/3602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A CONSUMABLE COMPOSITE ELECTRODE FOR USE IN A CARBON DIOXIDE GAS SHIELDED ELECTRIC ARC WELDING PROCESS CONSISTING OF A MILD STEEL SHEATH CONTAINING A FLUX CORE MATERIAL CONSISTING OF THE FOLLOWING INGREDIENTS:
Claim 2
Dependent Claim
32 words
A CONSUMABLE COMPOSITE ELECTRODE FOR USE IN A CARBON DIOXIDE GAS SHIELDED ELECTRIC ARC WELDING PROCESS CONSISTING OF A MILD STEEL SHEATH CONTAINING A FLUX CORE MATERIAL CONSISTING OF THE FOLLOWING INGREDIENTS:
References Cited (Backward Citations)
US2164775A
Cited
US2737150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |