US3285216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pitch stabilization system for water going vessels
Assignee: John J Mcmullen Associates Inc
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Filing: 1964-09-22
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Granted: 1966-11-15
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Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Sheldon B Field
- 👤 Thomas F Bridges
- 👤 Fleit Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:51
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/02; B63B39/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A PITCH STABILIZATION SYSTEM FOR WATER GOING VESSELS COMPRISING A TANK MOUNTED ON ONE END OF THE BOW AND STERN SECTIONS OF THE VESSEL, INLET MEANS EXTENDING THROUGH SAID VESSEL TO ENABLE THE LIQUID AMBIENT TO ENTER THE TANK, SAID INLET MEANS POSITIONED VERTICALLY NEAR THE EXPECTED CALM WATERLINE AND SAID TANK HAVING A LARGE CAPACITY BELOW SAID INLET MEANS SO THAT WATER ENTERING THE TANK THROUGH SAID INLET MEANS NEED NOT OVERCOME THE STATIC PRESSURE HEAD OF THE MAJOR PORTION OF THE WATER ALREADY IN THE TANK, AND OUTLET MEANS FOR ESTABLISHING COMMUNICATION FROM SAID TANK TO THE LIQUID AMBIENT AT A VERTICAL POSITION WELL BELOW SAID INLET MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |