US2829239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding electrode comprising a shank and removable cap
Assignee: Motors Liquidation Co
•
Filing: 1955-06-07
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Granted: 1958-04-01
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Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Napoleon P Boretti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:04
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/3009; B23K35/00; B23K35/02; B23K35/0205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1096205A
Cited
US2051284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |