Patent US4968049A successfully refreshed from Google Patents.
Patent US6161897A successfully refreshed from Google Patents.
US6161897A
Expired / Lapsed
US
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Chair construction
Assignee: HNI Technologies Inc
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Filing: 1999-06-03
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Granted: 2000-12-19
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Expires: 2019-06-03
Abstract
Abstract A chair has a seat supported on a base support assembly. The support assembly includes an upper bracket with a transverse tube mounted on the forward end thereof. The seat includes an upper shell having hooks extending downwardly from the underside thereof. The hooks are dimensioned and configured to engage the tube and provide for pivotable movement of the upper shell about the tube.
Inventors
- 👤 Eric J. Kurtz
- 👤 Ogden R. Olson
- 👤 Marcus C. Koepke
- 👤 Earl H. Koepke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:41
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C1/00; A47C1/02; A47C1/022; A47C1/023
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
87 words
A chair comprising: a seat; a support assembly for supporting said seat; said support assembly including an upper support member having forward end; a transverse tube member disposed proximate the forward end of said support member; said seat including an upper shell; and hook means formed integrally as a one piece, unitary structure with and rigidly projecting downwardly from said upper shell; said hook means being dimensioned and configured to engage said tube member and provide for pivotable movement of said upper shell about said tube member.
Claim 2
Dependent Claim
87 words
A chair comprising: a seat; a support assembly for supporting said seat; said support assembly including an upper support member having forward end; a transverse tube member disposed proximate the forward end of said support member; said seat including an upper shell; and hook means formed integrally as a one piece, unitary structure with and rigidly projecting downwardly from said upper shell; said hook means being dimensioned and configured to engage said tube member and provide for pivotable movement of said upper shell about said tube member.
Claim 3
Dependent Claim
16 words
The chair of claim 1 wherein said hook means is integrally formed with said upper shell.
Claim 4
Dependent Claim
18 words
The chair of claim 1 including a lower shell dimensioned and configured to mate with said upper shell.
Claim 5
Dependent Claim
24 words
The chair of claim 3 wherein said lower shell includes bearing means for receiving said transverse tube member and providing a pivotable connection therewith.
Claim 6
Dependent Claim
16 words
The chair of claim 4 wherein said bearing means is integrally formed with said lower shell.
Claim 7
Dependent Claim
27 words
The chair of claim 3 wherein said lower shell includes an opening for receiving said hook means and allowing said hook means to engage said tube member.
Claim 8
Dependent Claim
21 words
The chair of claim 6 wherein said upper and lower shells jointly pivot about said tube when in an assembled condition.
Claim 9
Dependent Claim
16 words
The chair of claim 3 including fastening means for fastening said upper and lower shells together.
Claim 10
Dependent Claim
18 words
The chair of claim 8 wherein said fastening means is disposed at a rear portion of said shells.
Claim 11
Dependent Claim
27 words
The chair of claim 1 including tab means for engaging opposite ends of said tube member and centering said upper shell with respect to said tube member.
Claim 12
Dependent Claim
25 words
The chair of claim 10 wherein said tab means includes a pair of spaced tab members extending downwardly from an underside of said upper shell.
Claim 13
Dependent Claim
91 words
A chair comprising a seat; a support assembly for supporting said seat; said support assembly including an upper support member having a forward end; a transverse tube member disposed proximate the forward end of said support member; said seat including an upper shell and a lower shell, said shells being dimensioned and configured to mate together; means provided on said upper shell to pivotably connect said upper shell to said transverse tube member; and means provided on said lower shell to pivotably connect said lower shell to said transverse tube member.
Claim 14
Dependent Claim
91 words
A chair comprising a seat; a support assembly for supporting said seat; said support assembly including an upper support member having a forward end; a transverse tube member disposed proximate the forward end of said support member; said seat including an upper shell and a lower shell, said shells being dimensioned and configured to mate together; means provided on said upper shell to pivotably connect said upper shell to said transverse tube member; and means provided on said lower shell to pivotably connect said lower shell to said transverse tube member.
Claim 15
Dependent Claim
20 words
The chair of claim 12 wherein said means for pivotably connecting said upper shell includes at least one hook member.
Claim 16
Dependent Claim
19 words
The chair of claim 13 wherein said at least one hook member is integrally formed with said upper shell.
Claim 17
Dependent Claim
17 words
The chair of claim 12 wherein said means for pivotably connecting said lower shell includes bearing members.
Claim 18
Dependent Claim
16 words
The chair of claim 15 wherein said bearing members are integrally formed with said lower shell.
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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) | 2003-12-19 | 2004-06-19 | 2004-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-12-19 | 2008-06-19 | 2008-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-12-19 | 2012-06-19 | 2012-12-19 | $7700.00 | Window Closed / Lapsed |