Patent US4204286A successfully refreshed from Google Patents.
US4204286A
Expired / Lapsed
US
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Spring support
Assignee: Gem Ind Inc
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Filing: 1978-12-11
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Granted: 1980-05-27
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Expires: 1998-12-11
Abstract
Abstract A spring support comprising angle irons at each end of the spring to which the spring is secured, each angle iron having its ends formed with a relatively deep recess for a relatively short length in one angle iron flange and a shallower recess for a longer length in the other flange of the angle iron for engagement with a selected hook on a crib spring support plate or selectively on an inturned tab on the plate.
Inventors
- 👤 Nathan Stiles
- 👤 Richard T. Heininger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:43
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/05
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
The combination of a bedstead having end posts at the corners thereof, a vertical plate on each post, a series of vertically aligned and spaced hooks on each plate, and a supporting tab at the lower end of each plate, the hooks being narrower than the tab, with a spring support comprising an angle iron at each end of a spring, each angle iron having two flanges, a shorter recess at each end of one flange and a longer recess at each end of the other flange, the angle irons being selectively positioned on the tabs or on corresponding hooks, the shorter recesses fitting in the hooks, and the longer recesses including edges resting resting on the tabs.
Claim 2
Dependent Claim
118 words
The combination of a bedstead having end posts at the corners thereof, a vertical plate on each post, a series of vertically aligned and spaced hooks on each plate, and a supporting tab at the lower end of each plate, the hooks being narrower than the tab, with a spring support comprising an angle iron at each end of a spring, each angle iron having two flanges, a shorter recess at each end of one flange and a longer recess at each end of the other flange, the angle irons being selectively positioned on the tabs or on corresponding hooks, the shorter recesses fitting in the hooks, and the longer recesses including edges resting resting on the tabs.
Claim 3
Dependent Claim
39 words
The combination of claim 1 wherein the longer recesses include edges engaging the tabs in corresponding pairs, and the shorter recesses include edges engaging the hooks in corresponding pairs, thereby preventing lateral motion of the spring on its supports.
References Cited (Backward Citations)
US2641772A
Cited
US3844416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-27 | 1983-11-26 | 1984-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-27 | 1987-11-26 | 1988-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-27 | 1991-11-26 | 1992-05-27 | $7700.00 | Window Closed / Lapsed |