US3391410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer and lock for swimming pool covers
Assignee: HOFFINGER INDUSTRIES Inc
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Filing: 1966-05-23
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Granted: 1968-07-09
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 James R Melberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN ATTACHMENT DEVICE AND LOCK FOR SWIMMING POOL COVERS HAVING IN COMBINATION WITH THE UPSTANDING PERIPHERAL EDGE OF A SWIMMING POOL, MEANS ADJACENT THE PERIPHERAL EDGE OF A SWIMMING POOL COVER FOR RECEIVING AN ELONGATED, FLEXIBLE RETAINING ELEMENT, SAID ELEMENT IN USE ENCIRCLING SAID UPSTANDING EDGE OF THE POOL, A COMBINATION TAKE-UP AND LOCKING MECHANISM FOR SAID FLEXIBLE ELEMENT COMPRISING AN ELEMENT-RECEIVING HOUSING, A PROGRESSIVELY MOVABLE TENSIONING MEMBER IN SAID HOUSING WITH WHICH ONE END OF SAID ELEMENT IS CONNECTED, THE OTHER END OF SAID ELEMENT BEING AFFIXED IN A PREDETERMINED POSITION SOMEWHAT BELOW THE UPPER PERIPHERAL EDGE OF THE POOL, A POWER ARM FOR DRIVING SAID PROGRESSIVELY MOVABLE MEMBER, A LOCKING LATCH WITHIN SAID HOUSING FOR LOCKING ENGAGEMENT WITH SAID MEMBER TO RETAIN THE SAME AGAINST RELEASE, AND MEANS REMOVABLE FROM SAID LOCKING MECHANISM FOR DISENGAGEMENT OF SAID LOCKING LATCH.
Claim 2
Dependent Claim
141 words
AN ATTACHMENT DEVICE AND LOCK FOR SWIMMING POOL COVERS HAVING IN COMBINATION WITH THE UPSTANDING PERIPHERAL EDGE OF A SWIMMING POOL, MEANS ADJACENT THE PERIPHERAL EDGE OF A SWIMMING POOL COVER FOR RECEIVING AN ELONGATED, FLEXIBLE RETAINING ELEMENT, SAID ELEMENT IN USE ENCIRCLING SAID UPSTANDING EDGE OF THE POOL, A COMBINATION TAKE-UP AND LOCKING MECHANISM FOR SAID FLEXIBLE ELEMENT COMPRISING AN ELEMENT-RECEIVING HOUSING, A PROGRESSIVELY MOVABLE TENSIONING MEMBER IN SAID HOUSING WITH WHICH ONE END OF SAID ELEMENT IS CONNECTED, THE OTHER END OF SAID ELEMENT BEING AFFIXED IN A PREDETERMINED POSITION SOMEWHAT BELOW THE UPPER PERIPHERAL EDGE OF THE POOL, A POWER ARM FOR DRIVING SAID PROGRESSIVELY MOVABLE MEMBER, A LOCKING LATCH WITHIN SAID HOUSING FOR LOCKING ENGAGEMENT WITH SAID MEMBER TO RETAIN THE SAME AGAINST RELEASE, AND MEANS REMOVABLE FROM SAID LOCKING MECHANISM FOR DISENGAGEMENT OF SAID LOCKING LATCH.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |