US3044186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for assisting in swimming instruction
Assignee: GEORGE J HIBBARD
•
Filing: 1959-07-20
•
Granted: 1962-07-17
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Harold S Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/12; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE694236C
Cited
US2545009A
Cited
US2593321A
Cited
US2709266A
Cited
US2708759A
Cited
US2859458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |