US2455244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud for welding
Assignee: MORTON GREGORY Corp
•
Filing: 1944-04-04
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Granted: 1948-11-30
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Expires: 1964-04-04
Abstract
No abstract record available.
Inventors
- 👤 Charles S Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0288; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22411E
Cited
US1266485A
Cited
US1704978A
Cited
US1860521A
Cited
US2216979A
Cited
US2268416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |