US3186759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid chair
Assignee: Individual
•
Filing: 1962-02-21
•
Granted: 1965-06-01
•
Expires: 1982-02-21
Abstract
No abstract record available.
Inventors
- 👤 William E Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:47
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1043; A61G5/1054; A61G5/1091; A61G5/1056; A61G5/1064; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A CHAIR FOR RELIEIVING PRESSURE IN THE ISCHIAL, SACRAL AND TROCHANTERIC AREAS OF USER COMPRISING A SUPPORTING FRAME, A BACK FRAME CONNECTED TO SAID SUPPORTING FRAME, A SEAT CONNECTED TO SAID SUPPORTING FRAME, SEAT BEING MOVABLE IN A SUBSTANTIALLY HORIZONTAL PLANE REGARD TO SAID BACK FRAME AND EXTENDING FROM A PLANE REMOTE FROM THE POINT OF CONNECTION OF SAID BACK FRAME TO SAID SUPPORTING, FRAME TO A PLANE MORE REMOTE FROM SAID POINT OF CONNECTION, WHEREBY SAID SEAT IS ADJUSTABLE TO ENGAGE THE THIGHS OF THE USER BETWEEN A POINT BELOW THE ISCHIAL TUBEROSITES TO JUST BEFORE THE POPLITEAL SPACE, A BACK REST CONNECTED TO SAID BACK FRAME, SAID BACK REST BEING MOVABLE IN A SUBSTANTIALLY VERTICAL PLANE WITH REGARD TO SAID BACK FRAME AND EXTENDING FROM A PLANE REMOTE FROM THE POINT OF CONNECTION OF SAID BACK FRAME TO SAID SUPPORTING FRAME TO A PLANE MORE REMOTE FROM SAID POINT OF CONNECTION, WHEREBY SAID BACK REST IS ADJUSTABLE TO ENGAGE AN AREA OF THE BACK OF THE USER FROM ABOVE THE ILIAC CRESTS TO JUST BELOW THE SHOULDERS.
Claim 2
Dependent Claim
179 words
A CHAIR FOR RELIEIVING PRESSURE IN THE ISCHIAL, SACRAL AND TROCHANTERIC AREAS OF USER COMPRISING A SUPPORTING FRAME, A BACK FRAME CONNECTED TO SAID SUPPORTING FRAME, A SEAT CONNECTED TO SAID SUPPORTING FRAME, SEAT BEING MOVABLE IN A SUBSTANTIALLY HORIZONTAL PLANE REGARD TO SAID BACK FRAME AND EXTENDING FROM A PLANE REMOTE FROM THE POINT OF CONNECTION OF SAID BACK FRAME TO SAID SUPPORTING, FRAME TO A PLANE MORE REMOTE FROM SAID POINT OF CONNECTION, WHEREBY SAID SEAT IS ADJUSTABLE TO ENGAGE THE THIGHS OF THE USER BETWEEN A POINT BELOW THE ISCHIAL TUBEROSITES TO JUST BEFORE THE POPLITEAL SPACE, A BACK REST CONNECTED TO SAID BACK FRAME, SAID BACK REST BEING MOVABLE IN A SUBSTANTIALLY VERTICAL PLANE WITH REGARD TO SAID BACK FRAME AND EXTENDING FROM A PLANE REMOTE FROM THE POINT OF CONNECTION OF SAID BACK FRAME TO SAID SUPPORTING FRAME TO A PLANE MORE REMOTE FROM SAID POINT OF CONNECTION, WHEREBY SAID BACK REST IS ADJUSTABLE TO ENGAGE AN AREA OF THE BACK OF THE USER FROM ABOVE THE ILIAC CRESTS TO JUST BELOW THE SHOULDERS.
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |