US2644418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded ship construction
Assignee: Individual
•
Filing: 1947-12-23
•
Granted: 1953-07-07
•
Expires: 1967-12-23
Abstract
No abstract record available.
Inventors
- 👤 Allegro Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:28
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/14; B63B3/26; B63B3/34; B63B3/56; B63B3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191501320A
Cited
US1272809A
Cited
US1329600A
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US1805669A
Cited
US1837078A
Cited
US1821882A
Cited
US2039602A
Cited
US2158214A
Cited
US2162822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |