Patent US3551920A successfully refreshed from Google Patents.
US3551920A
Expired / Lapsed
US
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Pool stabilizer and shock absorber
Assignee: Individual
•
Filing: 1968-04-22
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Granted: 1971-01-05
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Expires: 1988-04-22
Abstract
Abstract AN ADJUSTABLE POOL STABILIZER AND SHOCK ABSORBER IS CONNECTED BETWEEN THE POOL WALL AND A SECURE POINT. ADJUSTMENT OF THE STABILIZER PERMITS ADJUSTMENT OF THE POOL WALLS WHILE THE POOL IS FULL. SHOCK ABSORBER MEANS IN THE STABILIZER PERMIT THE STABILIZER TO RECEIVE SHOCKS WITHOUT DAMAGING THE POOL WALLS OR THE STABILIZER.
Inventors
- 👤 Samuel Greepe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:43
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/0062; E04H4/14; E04H2004/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |