US2866887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven manually held welding apparatus
Assignee: Lincoln Electric Co
•
Filing: 1956-02-09
•
Granted: 1958-12-30
•
Expires: 1976-02-09
Abstract
No abstract record available.
Inventors
- 👤 Joey Y Kumagai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:07
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/02; B23K9/00; B23K9/095; B23K9/0956
Claims Analysis
Total Claims: 0
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US2692325A
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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) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |