US3070811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible swimming pool cover
Assignee: Individual
•
Filing: 1960-06-13
•
Granted: 1963-01-01
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Emil A Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:23
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10; E04H4/101; Y; Y10; Y10S; Y10S242/00; Y10S242/917; Y10S242/918; Y10S242/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COVERING DEVICE FOR SWIMMING POOLS AND THE LIKE, COMPRISING AN ELONGATE SPOOL HAVING A ROLL-FORM CORE AND CONCENTRIC CIRCULAR END FLANGES, A FLEXIBLE COVER OF SHEET FORM, WINDABLE ON SAID CORE, SECURED THEREON, ALONG ONE OF ITS ENDS, AND ALONG ITS OTHER END TO AN ELONGATE BLOCK CONSTITUTING A GROUND-ANCHORING MEANS, STIFFENING RIBS CARRIED BY SAID COVER TRANSVERSELY THEREOF AND TO ONE OF SAID FLANGES ON THE AXIS OF SAID SPOOL, A GEAR ON SAID ONE OF SAID FLANGES CONCENTRIC WITH THE AXIS OF THE SPOOL AND OF LESS DIAMETER THAN SAID FLANGE, DRIVE MEANS ON THE CARRIAGE HAVING A GEAR MESHING WITH THE FIRSTMENTIONED GEAR, A ROLLING, GROUND-SUPPORT MEANS ON SAID
Claim 2
Dependent Claim
113 words
A COVERING DEVICE FOR SWIMMING POOLS AND THE LIKE, COMPRISING AN ELONGATE SPOOL HAVING A ROLL-FORM CORE AND CONCENTRIC CIRCULAR END FLANGES, A FLEXIBLE COVER OF SHEET FORM, WINDABLE ON SAID CORE, SECURED THEREON, ALONG ONE OF ITS ENDS, AND ALONG ITS OTHER END TO AN ELONGATE BLOCK CONSTITUTING A GROUND-ANCHORING MEANS, STIFFENING RIBS CARRIED BY SAID COVER TRANSVERSELY THEREOF AND TO ONE OF SAID FLANGES ON THE AXIS OF SAID SPOOL, A GEAR ON SAID ONE OF SAID FLANGES CONCENTRIC WITH THE AXIS OF THE SPOOL AND OF LESS DIAMETER THAN SAID FLANGE, DRIVE MEANS ON THE CARRIAGE HAVING A GEAR MESHING WITH THE FIRSTMENTIONED GEAR, A ROLLING, GROUND-SUPPORT MEANS ON SAID
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |