US4209198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown chair
Assignee: METAFAB IND Inc
•
Filing: 1978-09-15
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Granted: 1980-06-24
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Expires: 1998-09-15
Abstract
Abstract The device contained herein comprises a knock-down chain which has a flexible sling for a back cushion support. The ease of assembly of the chair provides an advantage to the user in that it can be stored in disassembled fashion and as needed can be reassembled rapidly by unskilled persons without the use of tools.
Inventors
- 👤 Charles N. Apple, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:19
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/028
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
74 words
A knockdown chair comprising: side members, a back member, said side members slidably engagable with said back member, a seat frame, said seat frame slidably engagable with said side and back members, a flexible back cushion support means, said back cushion support means being rotatably joined to said back member and joined to said seat frame whereby said support means aligns said seat frame for engagement of said seat frame with said back member.
Claim 2
Dependent Claim
74 words
A knockdown chair comprising: side members, a back member, said side members slidably engagable with said back member, a seat frame, said seat frame slidably engagable with said side and back members, a flexible back cushion support means, said back cushion support means being rotatably joined to said back member and joined to said seat frame whereby said support means aligns said seat frame for engagement of said seat frame with said back member.
Claim 3
Dependent Claim
18 words
A knockdown chair as claimed in claim 1, wherein said side members are of an inverted U-shaped configuration.
Claim 4
Dependent Claim
17 words
A knockdown chair as claimed in claim 1, wherein said back member has an inverted U-shaped configuration.
Claim 5
Dependent Claim
18 words
A knockdown chair as claimed in claim 1, wherein said seat frame includes a plurality of sinuous springs.
Claim 6
Dependent Claim
18 words
A knockdown chair as claimed in claim 1, wherein said back cushion support means comprises a sling means.
Claim 7
Dependent Claim
21 words
A knockdown chair as claimed in claim 5 wherein said back cushion support means is positioned angularly to said seat frame.
Claim 8
Dependent Claim
91 words
A knockdown chair comprising: inverted u-shaped side members, an inverted u-shaped back member, said side members having appendages which are slidably received by said back member, a seat frame, said seat frame including sinuous spring members, said seat frame being removably attached to said back member and said side members, a flexible back cushion support means, said support means being rotatably attached to said back member and removably attached to said seat frame whereby said support means aligns said seat frame for attachment of said seat frame with said back member.
Claim 9
Dependent Claim
91 words
A knockdown chair comprising: inverted u-shaped side members, an inverted u-shaped back member, said side members having appendages which are slidably received by said back member, a seat frame, said seat frame including sinuous spring members, said seat frame being removably attached to said back member and said side members, a flexible back cushion support means, said support means being rotatably attached to said back member and removably attached to said seat frame whereby said support means aligns said seat frame for attachment of said seat frame with said back member.
Claim 10
Dependent Claim
15 words
A knockdown chair as claimed in claim 1 and including removable seat and back cushions.
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) | 1983-06-24 | 1983-12-24 | 1984-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-24 | 1987-12-24 | 1988-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-24 | 1991-12-24 | 1992-06-24 | $7700.00 | Window Closed / Lapsed |