US2663276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship construction for reducing drag
Assignee: Individual
•
Filing: 1951-12-27
•
Granted: 1953-12-22
•
Expires: 1971-12-27
Abstract
No abstract record available.
Inventors
- 👤 Albert F Ouellet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; B63B2001/387; Y; Y02; Y02T; Y02T70/00; Y02T70/10; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2378822A
Cited
US667482A
Cited
GB190614012A
Cited
US1196682A
Cited
US1416950A
Cited
US2145463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |