Patent US3766573A successfully refreshed from Google Patents.
US3766573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dome structure for supporting flexible material to form a dome
Assignee: Individual
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Filing: 1971-07-29
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Granted: 1973-10-23
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Expires: 1991-07-29
Abstract
Abstract The structure for supporting a flexible material, such as a plastic sheet over the water in a swimming pool. The flexible material is supported by the structure in such a manner as to provide sufficient open space over the water in the swimming pool to permit normal use of the pool by swimmers.
Inventors
- 👤 H Burkholz
- 👤 N Burkholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34315; E04B1/34326; E04H; E04H15/00; E04H15/02; Y; Y10; Y10S; Y10S135/00; Y10S135/906
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
153 words
In a supporting structure for supporting a flexible material in the form of a dome to cover a swimming pool; a ridge pole; rafters extending upwardly from the swimming pool with their upper ends being coupled to said ridge pole for supporting the latter abovE the water in the swimming pool; and rafter supports coupled to said ridge pole and in engagement with said rafters for coupling said ridge pole to said rafters, said rafter supports comprising a flat portion; and a finger extending from said flat portion in each direction for insertion into cooperating hollow ends of said rafters for coupling said rafters to said supports; and said ridge pole is provided with a slot for receiving said flat portion wherein the slot is narrower than the thickness of said fingers so that the rafter support cannot escape from the slot and the rafter support is thereby coupled to said ridge pole.
Claim 2
Dependent Claim
153 words
In a supporting structure for supporting a flexible material in the form of a dome to cover a swimming pool; a ridge pole; rafters extending upwardly from the swimming pool with their upper ends being coupled to said ridge pole for supporting the latter abovE the water in the swimming pool; and rafter supports coupled to said ridge pole and in engagement with said rafters for coupling said ridge pole to said rafters, said rafter supports comprising a flat portion; and a finger extending from said flat portion in each direction for insertion into cooperating hollow ends of said rafters for coupling said rafters to said supports; and said ridge pole is provided with a slot for receiving said flat portion wherein the slot is narrower than the thickness of said fingers so that the rafter support cannot escape from the slot and the rafter support is thereby coupled to said ridge pole.
Claim 3
Dependent Claim
91 words
A supporting structure according to claim 1; wherein said ridge pole is formed of sections with one end of each section telescoping into the end of the adjacent section and the slots are formed in both ends of each section; and said flat portion is placed in the slots as the sections are telescoped together so that said flat portion is disposed in the superimposed slots of the telescoping portion of two adjacent sections and said rafter support is thereby securely locked to said ridge pole when the latter is assembled.
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |