US3229309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming pool cover
Assignee: Individual
•
Filing: 1963-04-08
•
Granted: 1966-01-18
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Robert R Knodel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:24
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A COVER FOR SWIMMING POOLS HAVING A BOUNDING PORTION, SAID COVER COMPRISING A FLEXIBLE ANCHOR CORD ADAPTED TO BE SECURED PERIPHERALLY OF THE POOL OF THE BOUNDING PORTION, A COVER MEMBER OF STRETCH MATERIAL WHICH IN CONTRACTED CONDITION IS OF LESS DIMENSION THAN THE DEFINING AREA OF A POOL TO BE COVERED, HOOK MEANS ATTACHED TO SAID ANCHOR CORD, AND MEANS ON SAID COVER MEMBER RELEASABLY ENGAGEABLY BY SAID HOOK MEANS TO HOLD THE COVER MEMBER IN A STRETCHED CONDITION AT LEAST AS LARGE AS SAID FLATWISE OVER THE POOL.
Claim 2
Dependent Claim
90 words
A COVER FOR SWIMMING POOLS HAVING A BOUNDING PORTION, SAID COVER COMPRISING A FLEXIBLE ANCHOR CORD ADAPTED TO BE SECURED PERIPHERALLY OF THE POOL OF THE BOUNDING PORTION, A COVER MEMBER OF STRETCH MATERIAL WHICH IN CONTRACTED CONDITION IS OF LESS DIMENSION THAN THE DEFINING AREA OF A POOL TO BE COVERED, HOOK MEANS ATTACHED TO SAID ANCHOR CORD, AND MEANS ON SAID COVER MEMBER RELEASABLY ENGAGEABLY BY SAID HOOK MEANS TO HOLD THE COVER MEMBER IN A STRETCHED CONDITION AT LEAST AS LARGE AS SAID FLATWISE OVER THE POOL.
References Cited (Backward Citations)
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Cited
US2580555A
Cited
US2958872A
Cited
US2952024A
Cited
US2991841A
Cited
US3110908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |