US2931332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed aquatic device for swimmers and other purposes
Assignee: LANE MCLEAN
•
Filing: 1955-06-13
•
Granted: 1960-04-05
•
Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 William H Hebrank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:33
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857951A
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US1187268A
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US1814772A
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FR696860A
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GB382812A
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US2045645A
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GB458770A
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US2470137A
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US2593806A
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US2722021A
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US2748400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |