US3379464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal boom heel support
Assignee: Newport News Shipbuilding and Dry Dock Co
•
Filing: 1966-09-22
•
Granted: 1968-04-23
•
Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 William K Bradshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/60; B66C23/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633797A
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US1856246A
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US1729445A
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US2312648A
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US2304595A
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US2681259A
Cited
US2852290A
Cited
US3163474A
Cited
US3174811A
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US3179477A
Cited
US3176805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |