Patent US3128478A successfully refreshed from Google Patents.
US3128478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoyant net and safety cover for swimming pools
Assignee: Individual
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Filing: 1959-12-02
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Granted: 1964-04-14
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Expires: 1979-12-02
Abstract
No abstract record available.
Inventors
- 👤 James F Beal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:22
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A BUOYANT SAFETY NET OF THE CLASS DESCRIBED COMPRISED OF AT LEAST TWO SETS OF PARALLEL AIR-FILLED FLEXIBLE PLASTIC TUBES HAVING SEALED ENDS, THE TUBES OF ONE SET INTERSECTING THOSE OF THE OTHER, WITH THE TUBES OF ONE SET PASSING OVER AND UNDER THE TUBES OF THE OTHER SET IN BASKET-WEAVE FASHION, AND A TUBULAR MARGIN AROUND THE PERIPHERY OF THE NET TO WHICH THE ENDS OF THE TUBES ARE SECURED, THE POINTS OF INTERSECTION OF THE TWO SETS OF TUBING BEING OF THE ORDER OF ABOUT FOUR INCHES.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |