US2695586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine craft stabilizing equipment
Assignee: Pollopas Patents Ltd
•
Filing: 1949-10-28
•
Granted: 1954-11-30
•
Expires: 1969-10-28
Abstract
No abstract record available.
Inventors
- 👤 Widolt Louis Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:05
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1731879A
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US1108422A
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Cited
US1235132A
Cited
US1343630A
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US1708679A
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US1593343A
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US1853069A
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US2130929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |