US3461270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular welding electrode
Assignee: Lincoln Electric Co
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Filing: 1966-01-06
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Granted: 1969-08-12
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Expires: 1986-01-06
Abstract
No abstract record available.
Inventors
- 👤 Donald M Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/368; B23K35/3601; B23K35/3612; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |