Patent US2865373A successfully refreshed from Google Patents.
Patent US3308489A successfully refreshed from Google Patents.
US3308489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion for resting legs high
Assignee: Individual
•
Filing: 1964-12-21
•
Granted: 1967-03-14
•
Expires: 1984-12-21
Abstract
Abstract 1,033,492. Bolsters. I. WINKLER [trading as DR. IRMA WINKLER]. Jan. 6, 1965 [Jan. 9, 1964], No. 498/65. Heading A4M. An inflated bolster for supporting the leg in treatment of phlebitis comprises a part 1, supporting the leg from the knee to the ankle, and a wedge-shaped part 2 for supporting the thigh. The bolster is made of rubber or synthetic plastics and the part 1 may be divided by partitions 3 into separate air chambers each with an inflation nozzle 4. The upper surface may have a resilient covering, e.g. of foam rubber.
Inventors
- 👤 Winkler Irma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:40
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/065; A61G7/075; A61G7/0755; A47; A47C; A47C20/00; A47C20/02; A47C20/021; A47C27/00; A47C27/08; A47C27/081; A47C27/10; A47G; A47G9/00; A47G9/10; A47G2009/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CUSHION ADAPTED FOR USE IN THE TREATMENT OF THROMBOPHLEBITIS COMPRISING AT LEAST ONE COMPARTMENT OF SUFFICIENT HEIGHT TO MAINTAIN THE HEEL AND SHANK OF A RECLINING PERSON AT A RAISED LEVEL AND IN A SUBSTANTIALLY HORIZONTAL POSITION, AND AN ADDITIONAL, SUBSTANTIALLY WEDGE-SHAPED COMPARTMENT FULLY TO SUPPORT THE HAM IN INCLINED POSITION, EACH OF THE SAID COMPARTMENTS BEING SEPARATELY INFLATABLE, SAID WEDGE-SHAPED COMPARTMENT ALONG THE LINE WHERE IT JOINS SAID FIRST-MENTIONED COMPARTMENT BEING ADAPTED TO SUPPORT AND REST THE KNEE JOINT IN A SEMI-BENT POSITION TO ASSURE COMPLETE RELAXATION OF LEG MUSCLES, WHEREBY THE BACKFLOW OF BLOOD THROUGH THE VEINS WILL BE AT ITS MAXIMUM.
Claim 2
Dependent Claim
105 words
A CUSHION ADAPTED FOR USE IN THE TREATMENT OF THROMBOPHLEBITIS COMPRISING AT LEAST ONE COMPARTMENT OF SUFFICIENT HEIGHT TO MAINTAIN THE HEEL AND SHANK OF A RECLINING PERSON AT A RAISED LEVEL AND IN A SUBSTANTIALLY HORIZONTAL POSITION, AND AN ADDITIONAL, SUBSTANTIALLY WEDGE-SHAPED COMPARTMENT FULLY TO SUPPORT THE HAM IN INCLINED POSITION, EACH OF THE SAID COMPARTMENTS BEING SEPARATELY INFLATABLE, SAID WEDGE-SHAPED COMPARTMENT ALONG THE LINE WHERE IT JOINS SAID FIRST-MENTIONED COMPARTMENT BEING ADAPTED TO SUPPORT AND REST THE KNEE JOINT IN A SEMI-BENT POSITION TO ASSURE COMPLETE RELAXATION OF LEG MUSCLES, WHEREBY THE BACKFLOW OF BLOOD THROUGH THE VEINS WILL BE AT ITS MAXIMUM.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |