US1329530A
Expired / Lapsed
US
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Arc-welding electrode
Assignee: Lincoln Electric Co
•
Filing: 1919-11-01
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Granted: 1920-02-03
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Expires: 1939-11-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Kinkead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:13
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12493; Y10T428/12639; Y10T428/12646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-02-02 | 1923-08-04 | 1924-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-02-02 | 1927-08-04 | 1928-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-02-02 | 1931-08-04 | 1932-02-03 | $7700.00 | Window Closed / Lapsed |