US3167351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Popliteal support
Assignee: BUTLER ROTARY PAD Co
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Filing: 1963-02-19
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Granted: 1965-01-26
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 James A Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A POPLITEAL SUPPORT ARRANGEMENT COMPRISING: SEAT MEANS INCLUDING A SUBSTANTIALLY HORIZONTAL SEATING SURFACE HAVING A FRONT EDGE AND FURTHER INCLUDING A BACKREST UPSTANDING FROM THE REAR EDGE OF SAID SEATING SURFACE AND DEFINING A CREVICE AT ITS JUNCTURE WITH SAID SEATING SURFACE; POPLITEAL SUPPORT MEANS INCLUDING AN ELONGATED RIGID MEMBER OF SUFFICIENT WIDTH IN A DIRECTION GENERALLY PERPENDICULAR TO AND IN A PLANE GENERALLY PARALLEL WITH SAID SEATING SURFACE TO DEFINE A PROJECTION EXTENDING BEYOND SAID FRONT EDGE, SAID POPLITEAL SUPPORT MEANS FURTHER INCLUDING RESILIENT PADDING ENCOMPASSING AT LEAST THE PROJECTED PORTION OF SAID ELONGATED MEMBER TO CONTACT AND SUPPORT COMFORTABLY THE POPLITEAL REGIONS OF THE LEGS OF A PERSON SEATED ON SAID SURFACE; AND MEANS POSITIONING SAID POPLITEAL SUPPORT MEANS RELATIVE TO SAID SEAT MEANS IN OVERLYING RELATIONSHIP THEREWITH, INCLUDING RIGID ANCHORING MEANS CONNECTED TO SAID POPLITEAL SUPPORT MEANS AND WEDGEDLY DISPOSED IN SAID CREVICE FOR LOCATING SAID POPLITEAL SUPPORT MEANS.
Claim 2
Dependent Claim
152 words
A POPLITEAL SUPPORT ARRANGEMENT COMPRISING: SEAT MEANS INCLUDING A SUBSTANTIALLY HORIZONTAL SEATING SURFACE HAVING A FRONT EDGE AND FURTHER INCLUDING A BACKREST UPSTANDING FROM THE REAR EDGE OF SAID SEATING SURFACE AND DEFINING A CREVICE AT ITS JUNCTURE WITH SAID SEATING SURFACE; POPLITEAL SUPPORT MEANS INCLUDING AN ELONGATED RIGID MEMBER OF SUFFICIENT WIDTH IN A DIRECTION GENERALLY PERPENDICULAR TO AND IN A PLANE GENERALLY PARALLEL WITH SAID SEATING SURFACE TO DEFINE A PROJECTION EXTENDING BEYOND SAID FRONT EDGE, SAID POPLITEAL SUPPORT MEANS FURTHER INCLUDING RESILIENT PADDING ENCOMPASSING AT LEAST THE PROJECTED PORTION OF SAID ELONGATED MEMBER TO CONTACT AND SUPPORT COMFORTABLY THE POPLITEAL REGIONS OF THE LEGS OF A PERSON SEATED ON SAID SURFACE; AND MEANS POSITIONING SAID POPLITEAL SUPPORT MEANS RELATIVE TO SAID SEAT MEANS IN OVERLYING RELATIONSHIP THEREWITH, INCLUDING RIGID ANCHORING MEANS CONNECTED TO SAID POPLITEAL SUPPORT MEANS AND WEDGEDLY DISPOSED IN SAID CREVICE FOR LOCATING SAID POPLITEAL SUPPORT MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |