US2779303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship hull bottom plating having integral bent back reinforcement
Assignee: Individual
•
Filing: 1950-09-14
•
Granted: 1957-01-29
•
Expires: 1970-09-14
Abstract
No abstract record available.
Inventors
- 👤 Cupples Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:13
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/14; B63B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1605513A
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US2007354A
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US2244847A
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US2245690A
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GB548572A
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DE932820C
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DE932743C
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |