Patent US5395594A successfully refreshed from Google Patents.
US3634985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable elevation building
Assignee: SIERRA NORTHWESTERN Inc
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Filing: 1969-11-12
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Granted: 1972-01-18
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Expires: 1989-11-12
Abstract
Abstract A building is provided with supporting legs which are individually adjustable by means of jacks which are operable from inside the building to change its elevation.
Inventors
- 👤 Robert R Tipton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:34
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
106 words
An adjustable elevation structure comprising a platform, at least three load-supporting legs depending through said platform and resting on a supporting surface, said legs comprising individually abutting sections and section connectors, said section connectors comprising a connector sleeve telescopically disposed in said abutting sections, pin connectors passing transversely through said sleeve and each of said abutting sections, and a spring biased against said pin connectors holding said pins in said sleeve and abutting ends, and individual means slidably disposed on each of said legs for raising and lowering said platform and accessible to an operator above within the area of said platform for operating said means.
Claim 2
Dependent Claim
106 words
An adjustable elevation structure comprising a platform, at least three load-supporting legs depending through said platform and resting on a supporting surface, said legs comprising individually abutting sections and section connectors, said section connectors comprising a connector sleeve telescopically disposed in said abutting sections, pin connectors passing transversely through said sleeve and each of said abutting sections, and a spring biased against said pin connectors holding said pins in said sleeve and abutting ends, and individual means slidably disposed on each of said legs for raising and lowering said platform and accessible to an operator above within the area of said platform for operating said means.
Claim 3
Dependent Claim
154 words
An adjustable elevation structure comprising a platform, at least three load-supporting legs depending through said platform and resting on a supporting surface, and individual means slidably disposed on each of said legs for raising and lowering said platform and accessible to an operator above and within the area of said platform for operating said means, wherein said means for raising and lowering said platform is a jack comprising a support frame connected to said platform, a fixed sleeve slidably disposed on said leg and attached to said support frame, a movable sleeve sliDably disposed on said leg, means for raising and lowering said movable sleeve relative to said fixed sleeve, said means pivotally connected to said support frame and connected to said movable sleeve, means connected to said fixed sleeve for engaging and disengaging said leg with said fixed sleeve, and separate means connected to said movable sleeve for engaging and disengaging said leg.
Claim 4
Dependent Claim
154 words
An adjustable elevation structure comprising a platform, at least three load-supporting legs depending through said platform and resting on a supporting surface, and individual means slidably disposed on each of said legs for raising and lowering said platform and accessible to an operator above and within the area of said platform for operating said means, wherein said means for raising and lowering said platform is a jack comprising a support frame connected to said platform, a fixed sleeve slidably disposed on said leg and attached to said support frame, a movable sleeve sliDably disposed on said leg, means for raising and lowering said movable sleeve relative to said fixed sleeve, said means pivotally connected to said support frame and connected to said movable sleeve, means connected to said fixed sleeve for engaging and disengaging said leg with said fixed sleeve, and separate means connected to said movable sleeve for engaging and disengaging said leg.
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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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |