US3285555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair construction
Assignee: Individual
•
Filing: 1963-08-26
•
Granted: 1966-11-15
•
Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Bevington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:38
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47C7/004; A47C3/00; A47C3/20; A47C3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A CHAIR CONSTRUCTION COMPRISING A BASE HAVING AN UPSTANDING SUPPORTING TUBE, A SEAT, A DEPENDING GUIDE TUBE CONNECTED AT ITS UPPER END TO THE UNDERSIDE OF THE SAID TUBES BEING DIMENSIONED FOR AND TELESCOPICALLY FITTED ONE WITHIN THE OTHER, THE FREE END PORTION OF THE OUTER TUBE BEING FORMED WITH AN OPEN ENDED LONGITUDINALLY EXTENDING SLOT, A SPLIT FRICTION BAND SURROUNDING THE SLOTTED PORTION OF THE OUTER TUBE, AND CLAMPING MEANS ASSOCIATED WITH THE ENDS OF THE FRICTION BAND FOR CAUSING SAID BAND TO SQUEEZE SAID SLOTTED PORTION OF THE OUTER TUBE INTO FIRM GRIPPING RELATION TO THE INNER TUBE WITH SAID TUBES IN A PREDETERMINED POSITION OF TELESCOPIC-ADJUSTMENT FOR FIRMLY SUPPORTING SAID SEAT AT A DESIRED HEIGHT RELATIVE TO SAID BASE, THE FREE ENDS OF SAID FRICTION BAND TERMINATING IN A PAIR OF SPACED EARS, SAID CLAMPING MEANS COMPRISING A HANDLE HAVING A THREADED STEM FOR EXTENDING THROUGH ALIGNED APERTURES IN SAID EARS AND A SHOULDER FOR ABUTTING THE OUTER SURFACE OF ONE OF SAID EARS AND A NUT THREADED ON THE FREE END OF SAID STEM FOR ABUTTING THE OUTER SURFACE OF THE OTHER EAR, SAID NUT BEING FORMED WITH A SURFACE ADAPTED TO IMPINGE AGAINST SAID BAND TO PRECLUDE TURNING OF THE NUT INCIDENT TO ROTATION OF THE HANDLE AND STEM.
Claim 2
Dependent Claim
214 words
A CHAIR CONSTRUCTION COMPRISING A BASE HAVING AN UPSTANDING SUPPORTING TUBE, A SEAT, A DEPENDING GUIDE TUBE CONNECTED AT ITS UPPER END TO THE UNDERSIDE OF THE SAID TUBES BEING DIMENSIONED FOR AND TELESCOPICALLY FITTED ONE WITHIN THE OTHER, THE FREE END PORTION OF THE OUTER TUBE BEING FORMED WITH AN OPEN ENDED LONGITUDINALLY EXTENDING SLOT, A SPLIT FRICTION BAND SURROUNDING THE SLOTTED PORTION OF THE OUTER TUBE, AND CLAMPING MEANS ASSOCIATED WITH THE ENDS OF THE FRICTION BAND FOR CAUSING SAID BAND TO SQUEEZE SAID SLOTTED PORTION OF THE OUTER TUBE INTO FIRM GRIPPING RELATION TO THE INNER TUBE WITH SAID TUBES IN A PREDETERMINED POSITION OF TELESCOPIC-ADJUSTMENT FOR FIRMLY SUPPORTING SAID SEAT AT A DESIRED HEIGHT RELATIVE TO SAID BASE, THE FREE ENDS OF SAID FRICTION BAND TERMINATING IN A PAIR OF SPACED EARS, SAID CLAMPING MEANS COMPRISING A HANDLE HAVING A THREADED STEM FOR EXTENDING THROUGH ALIGNED APERTURES IN SAID EARS AND A SHOULDER FOR ABUTTING THE OUTER SURFACE OF ONE OF SAID EARS AND A NUT THREADED ON THE FREE END OF SAID STEM FOR ABUTTING THE OUTER SURFACE OF THE OTHER EAR, SAID NUT BEING FORMED WITH A SURFACE ADAPTED TO IMPINGE AGAINST SAID BAND TO PRECLUDE TURNING OF THE NUT INCIDENT TO ROTATION OF THE HANDLE AND STEM.
References Cited (Backward Citations)
US1394526A
Cited
US1795747A
Cited
US2560109A
Cited
US2605987A
Cited
US2716440A
Cited
US2638302A
Cited
US2710207A
Cited
US3086741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |