Patent US3826453A successfully refreshed from Google Patents.
US3826453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ganging chairs
Assignee: Shaw Walker Co
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Filing: 1973-02-21
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Granted: 1974-07-30
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Expires: 1993-02-21
Abstract
Abstract A chair having metal rod legs and base rails with ganging members formed as integral parts of the base rails. The ganging members prevents both lateral and fore and aft movement of the chairs relative to each other yet do not interfere with stacking of the chairs.
Inventors
- 👤 A Hitchcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:20
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/12; A47C1/124; A47C3/00; A47C3/04
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
112 words
A chair having front and rear legs and a bottom rail on each side, each of said bottom rails having supporting portions at the front and rear thereof, an elevated portion located between said supporting portions and connecting portions joining said supporting and said elevated portions, said elevated portion being positioned laterally outwardly of said supporting portions, the elevated portion on one side of said chair being longer than the corresponding elevated portion on the other side of said chair so that opposite sides of similar chairs may be interlocked with the elevated rail portion of one side of one chair interlocked with the opposite elevated rail portion of the other chair.
Claim 2
Dependent Claim
112 words
A chair having front and rear legs and a bottom rail on each side, each of said bottom rails having supporting portions at the front and rear thereof, an elevated portion located between said supporting portions and connecting portions joining said supporting and said elevated portions, said elevated portion being positioned laterally outwardly of said supporting portions, the elevated portion on one side of said chair being longer than the corresponding elevated portion on the other side of said chair so that opposite sides of similar chairs may be interlocked with the elevated rail portion of one side of one chair interlocked with the opposite elevated rail portion of the other chair.
Claim 3
Dependent Claim
16 words
The chair of claim 1 in which said connecting portions are inclined relative to the horizontal.
Claim 4
Dependent Claim
21 words
The chair of claim 2 in which said connecting portions are inclined at angles of approximately 45* relative to the horizontal.
Claim 5
Dependent Claim
18 words
The chair of claim 1 in which said elevated portion of one rail has an intermediate supporting portion.
Claim 6
Dependent Claim
29 words
The chair of claim 4 in which said intermediate supporting portion is positioned to fit under the opposite elevated portion of a similar chair when the chairs are interlocked.
Claim 7
Dependent Claim
19 words
The chair of claim 1 in which said elevated portions of the rails are positioned at the same height.
Claim 8
Dependent Claim
220 words
A chair having front and rear legs on each side, a first bottom rail extending between the front and rear legs of one side and a second bottom rail extending between the front and rear legs on the other side, said first bottom rail having supporting portions at the front and rear, an elevated portion intermediate said supporting portions and connecting portions joining said supporting and elevated portions, said elevated portion being located laterally outwardly of said supporting portions and said connecting portions being inclined upwardly and outwardly from said supporting portions, said second bottom rail having front, rear and intermediate supporting portions, a pair of elevated portions, one of said elevated portions being positioned between said front and intermediate supporting portions and another of said elevated portions being positioned between said rear and intermediate supporting portions, and connecting portions joining said elevated portions with said supporting portions, said elevated portions being located laterally outwardly of said supporting portions and said connecting portions being inclined upwardly and outwardly from said supporting portions, said elevated portions of said second rail being positioned to extend over said connecting portions of said first rail when opposite rails of similar chairs are interlocked to permit the intermediate supporting portion of said second rail to be positioned under said elevated portion of said first rail.
Claim 9
Dependent Claim
220 words
A chair having front and rear legs on each side, a first bottom rail extending between the front and rear legs of one side and a second bottom rail extending between the front and rear legs on the other side, said first bottom rail having supporting portions at the front and rear, an elevated portion intermediate said supporting portions and connecting portions joining said supporting and elevated portions, said elevated portion being located laterally outwardly of said supporting portions and said connecting portions being inclined upwardly and outwardly from said supporting portions, said second bottom rail having front, rear and intermediate supporting portions, a pair of elevated portions, one of said elevated portions being positioned between said front and intermediate supporting portions and another of said elevated portions being positioned between said rear and intermediate supporting portions, and connecting portions joining said elevated portions with said supporting portions, said elevated portions being located laterally outwardly of said supporting portions and said connecting portions being inclined upwardly and outwardly from said supporting portions, said elevated portions of said second rail being positioned to extend over said connecting portions of said first rail when opposite rails of similar chairs are interlocked to permit the intermediate supporting portion of said second rail to be positioned under said elevated portion of said first rail.
Claim 10
Dependent Claim
18 words
The chair of claim 7 in which said connecting portions extend at right angles to said supporting portions.
Claim 11
Dependent Claim
16 words
The chair of claim 7 in which said connecting portions extend obliquely to said supporting portions.
Claim 12
Dependent Claim
20 words
The chair of claim 7 in which said connecting portions extend at right angles to said supporting and elevated portions.
Claim 13
Dependent Claim
18 words
The chair of claim 7 in which said connecting portions extend obliquely to said supporting and elevated portions.
References Cited (Backward Citations)
US3159425A
Cited
US3365233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |