US2764669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding electrode holders
Assignee: Newport News Shipbuilding and Dry Dock Co
•
Filing: 1953-11-20
•
Granted: 1956-09-25
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 Samuel O Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:03
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US209688A
Cited
US2213306A
Cited
US2311022A
Cited
US2430376A
Cited
US2416872A
Cited
US2415671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |