US3164357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair seat adjusting device
Assignee: General Fireproofing Co
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Filing: 1962-08-27
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Granted: 1965-01-05
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Carl H Hage
- 👤 Harris E Hanser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:22
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A SWIVEL CHAIR, THE COMBINATION INCLUDING, A BASE A SEAT SUPPORTING SCREW POST MOUNTED IN THE BASE, A STATIONARY BRAKE MEMBER CARRIED BY THE BASE AND AN EXPANSIBLE AND CONTRACTIBLE CLUTCH ELEMENT SURROUNDING THE POST AND A MEMBER OF THE SCREW POST COOPERATING WITH THE AXIAL MOVEMENT THEREOF, WHREBY, WHEN THE POST IS LOADED, THE BRAKE AND CLUTCH ELEMENTS DISENGAGE TO PERMIT THE POST TO ROTATE FREELY WITHOUT AXIAL MOVEMENT AND WHEN THE POST IS LIFTED THE POST WILL MOVE UP OR DOWN IN THE DIRECTION OF ITS AXIS WHEN ROTATED.
Claim 2
Dependent Claim
92 words
IN A SWIVEL CHAIR, THE COMBINATION INCLUDING, A BASE A SEAT SUPPORTING SCREW POST MOUNTED IN THE BASE, A STATIONARY BRAKE MEMBER CARRIED BY THE BASE AND AN EXPANSIBLE AND CONTRACTIBLE CLUTCH ELEMENT SURROUNDING THE POST AND A MEMBER OF THE SCREW POST COOPERATING WITH THE AXIAL MOVEMENT THEREOF, WHREBY, WHEN THE POST IS LOADED, THE BRAKE AND CLUTCH ELEMENTS DISENGAGE TO PERMIT THE POST TO ROTATE FREELY WITHOUT AXIAL MOVEMENT AND WHEN THE POST IS LIFTED THE POST WILL MOVE UP OR DOWN IN THE DIRECTION OF ITS AXIS WHEN ROTATED.
References Cited (Backward Citations)
US2137178A
Cited
US2251841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |