US3589772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Steelcase Inc
•
Filing: 1969-01-23
•
Granted: 1971-06-29
•
Expires: 1989-01-23
Abstract
Abstract A chair having a frame with a right arm, left arm, seat cross support member, and a back cross support member, said frame being mounted on a U-shaped support member having two legs extending upwardly, each of the legs being connected to one of the arms of the frame; and a seat assembly having seat and back portions mounted on said frame, the seat portion being connected to the seat cross support member and the back being connected to the back cross support member.
Inventors
- 👤 Gardner Leaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:17
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47C7/004; A47C7/02; A47C7/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
93 words
A chair comprising: a base; support means extending upwardly from said base and being generally of a U-shaped configuration; a frame means including a left arm member and a right arm member connected at their ends by cross supports; said frame means being operably connected to and supported by said support means at said arm members between said cross supports; a seat assembly including a seat and a back, said seat assembly being operably connected to and supported by said frame means, such that said arm members are generally above said seat member.
Claim 2
Dependent Claim
93 words
A chair comprising: a base; support means extending upwardly from said base and being generally of a U-shaped configuration; a frame means including a left arm member and a right arm member connected at their ends by cross supports; said frame means being operably connected to and supported by said support means at said arm members between said cross supports; a seat assembly including a seat and a back, said seat assembly being operably connected to and supported by said frame means, such that said arm members are generally above said seat member.
Claim 3
Dependent Claim
29 words
The chair of claim 1 wherein said support means includes a left leg and a right leg extending upwardly from said base, said legs defining a generally U-shaped configuration.
Claim 4
Dependent Claim
99 words
A chair comprising: a base; support means extending upwardly from said base and being of a generally U-shaped configuration; a frame means including a left arm member, a right arm member and cross support means being operably connected to said arm members; a seat assembly including a seat and a back being operably connected to and supported by said cross support means; each of said arm members comprising a load-bearing structural member extending downwardly from said back to said seat; said support means extending above said seat of said seat assembly and being operably connected to said arm members.
Claim 5
Dependent Claim
99 words
A chair comprising: a base; support means extending upwardly from said base and being of a generally U-shaped configuration; a frame means including a left arm member, a right arm member and cross support means being operably connected to said arm members; a seat assembly including a seat and a back being operably connected to and supported by said cross support means; each of said arm members comprising a load-bearing structural member extending downwardly from said back to said seat; said support means extending above said seat of said seat assembly and being operably connected to said arm members.
Claim 6
Dependent Claim
52 words
The chair of claim 3 wherein said support means includes a left leg and a right leg extending upwardly from said base, said legs defining a generally U-shaped configuration; said left leg being operably connected to said left arm member and said right leg being operably connected to said right arm member.
Claim 7
Dependent Claim
47 words
The chair of claim 4 wherein said cross support means constitutes seat cross support means and back cross support means; said seat being operably connected to and supported by said seat support means and said back being operably connected to and supported by said back support means.
Claim 8
Dependent Claim
159 words
A chair comprising a base; a generally U-shaped support means having a left leg and a right leg extending upwardly from said base; a frame means including a left arm member, a right arm member, each of said arm members having two ends, and two cross support members; said crossmembers joining said left arm member to said right arm member near said ends thereof, said crossmembers being generally parallel to each other; said frame means being supported by said generally U-shaped support member, said left leg of said support member being operably connected to said left arm member intermediate its endS and said right leg of said support member being operably connected to said right arm member intermediate its ends; a seat assembly including a seat and a back, said seat assembly being supported by said crossmembers, said seat being operably connected to one of said crossmembers and said back being operably connected to the other of said crossmembers.
Claim 9
Dependent Claim
159 words
A chair comprising a base; a generally U-shaped support means having a left leg and a right leg extending upwardly from said base; a frame means including a left arm member, a right arm member, each of said arm members having two ends, and two cross support members; said crossmembers joining said left arm member to said right arm member near said ends thereof, said crossmembers being generally parallel to each other; said frame means being supported by said generally U-shaped support member, said left leg of said support member being operably connected to said left arm member intermediate its endS and said right leg of said support member being operably connected to said right arm member intermediate its ends; a seat assembly including a seat and a back, said seat assembly being supported by said crossmembers, said seat being operably connected to one of said crossmembers and said back being operably connected to the other of said crossmembers.
Claim 10
Dependent Claim
57 words
The chair of claim 6 in which each of said arm members extends from said crossmember supporting said back and curves downwardly to said crossmember supporting said seat; each of said left and right legs of said support means being connected to said left and right arms respectively, at a point above the plane of said seat.
References Cited (Backward Citations)
US2000624A
Cited
US2649147A
Cited
US3041109A
Cited
US3142514A
Cited
US3152836A
Cited
US3309136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |