Patent US3964572A successfully refreshed from Google Patents.
US3964572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable safety ladder for above-the-ground swimming pools
Assignee: Individual
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Filing: 1975-03-03
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Granted: 1976-06-22
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Expires: 1995-03-03
Abstract
Abstract A safety ladder for an above-the-ground swimming pool, such ladder being dependent from a platform mounted on top of the pool wall. A stationary ladder section is clamped to the platform on the water side of the pool such as to be adjustable in length for reaching the bottom of the pool. A pivotal and removable ladder portion, attached by means of removable pins to an end of the platform, is disposed on the ground side of the pool wall.
Inventors
- 👤 Peter F. Gannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:15
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/14; E06C1/24; E06C1/28; E06C7/00; E06C7/006
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
296 words
A safety ladder for an above-the-ground swimming pool provided with a peripheral wall forming a separation between a water side and a ground side, said safety ladder comprising a platform; means for fastening said platform on the top of said wall, with a side of said platform projecting on the water side of said pool and an opposite side projecting on the ground side; a pivotal detachable ladder section having a pair of substantially parallel spaced apart side rail members and a plurality of steps fastened intermediate said side rail members; connecting means for pivotally detachably attaching said pivotal detachable ladder section to said platform, said connecting means comprising a pair of brackets permanently attached to said platform on the ground side of said pool, aligned apertures at the end of each of said side members and at the end of each of said brackets, and a pin having a generally U-shaped resilient retainer pivotally attached to one end of said pin and having a loop on its other end adapted to springingly engage and lock onto the other end of said pin; a permanently attached ladder section mounted on said platform and disposed on said water side, said permanently attached ladder section comprising a pair of substantially parallel spaced apart side rail members and a plurality of steps fastened intermediate said side rail members, each of said side rail members having an integral end portion devoid of steps bent over in the form of an inverted U with a rectilinear end section disposed substantially parallel to said side rail members, and means for adjustably fastening said tubular side rail members and the rectilinear end portion thereof proximate the corners of said platform, the inverted U portion of said side rail members projecting above said platform.
Claim 2
Dependent Claim
296 words
A safety ladder for an above-the-ground swimming pool provided with a peripheral wall forming a separation between a water side and a ground side, said safety ladder comprising a platform; means for fastening said platform on the top of said wall, with a side of said platform projecting on the water side of said pool and an opposite side projecting on the ground side; a pivotal detachable ladder section having a pair of substantially parallel spaced apart side rail members and a plurality of steps fastened intermediate said side rail members; connecting means for pivotally detachably attaching said pivotal detachable ladder section to said platform, said connecting means comprising a pair of brackets permanently attached to said platform on the ground side of said pool, aligned apertures at the end of each of said side members and at the end of each of said brackets, and a pin having a generally U-shaped resilient retainer pivotally attached to one end of said pin and having a loop on its other end adapted to springingly engage and lock onto the other end of said pin; a permanently attached ladder section mounted on said platform and disposed on said water side, said permanently attached ladder section comprising a pair of substantially parallel spaced apart side rail members and a plurality of steps fastened intermediate said side rail members, each of said side rail members having an integral end portion devoid of steps bent over in the form of an inverted U with a rectilinear end section disposed substantially parallel to said side rail members, and means for adjustably fastening said tubular side rail members and the rectilinear end portion thereof proximate the corners of said platform, the inverted U portion of said side rail members projecting above said platform.
Claim 3
Dependent Claim
75 words
The safety ladder of claim 1 wherein said means for attaching said permanently mounted ladder section comprises a clip having a body portion in engagement with and surrounding a portion of the periphery of said side rail member and integral ear portions each provided with a mounting hole for the passage therethrough of a mounting screw for attaching said clip to the side of said platform for adjustably clamping said side rail member in position.
Claim 4
Dependent Claim
40 words
The safety ladder of claim 1 further comprising a step mounted at the bottom end of at least one of said ladder sections, said step having a continuous bottom surface in engagement with a support surface for said ladder section.
Claim 5
Dependent Claim
13 words
The safety ladder of claim 1 wherein said side rail members are tubular.
Claim 6
Dependent Claim
36 words
The safety ladder of claim 1 wherein said steps are made of a hollow molding having a pair of aligned apertures at each end thereof for passing therethrough said tubular side rail members for attachment thereto.
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) | 1979-06-22 | 1979-12-22 | 1980-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-22 | 1983-12-22 | 1984-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-22 | 1987-12-22 | 1988-06-22 | $7700.00 | Window Closed / Lapsed |