US3308491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion structure
Assignee: Stryker Corp
•
Filing: 1965-12-22
•
Granted: 1967-03-14
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Wayman R Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/146; A47C27/148; A47C7/00; A47C7/02; A47C7/029; A47C7/18; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/03; Y10S5/00; Y10S5/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A CUSHION STRUCTURE ATTACHABLE TO A SUPPORTING DEVICE FOR ENGAGING A PORTION OF A BODY, COMPRISING: A SELF-CONTAINED, RESILIENTLY FLEXIBLE AND SEMISOLID CORE MEANS HAVING A SOFT, NONFRIABLE AND JELLY-LIKE CONSISTENCY, SAID CORE MEANS BEING HYPOALLERGENIC, STABLE OVER A SELECTED TEMPERATURE RANGE AND INCAPABLE OF SUPPORTING THE GROWTH OF ALGAE AND BACTERIA; AND WALL MEANS ADJACENT SAID CORE MEANS FOR PROTECTING THE SAID CORE MEANS FOR EXTERNAL CONTAMINATION.
Claim 2
Dependent Claim
68 words
A CUSHION STRUCTURE ATTACHABLE TO A SUPPORTING DEVICE FOR ENGAGING A PORTION OF A BODY, COMPRISING: A SELF-CONTAINED, RESILIENTLY FLEXIBLE AND SEMISOLID CORE MEANS HAVING A SOFT, NONFRIABLE AND JELLY-LIKE CONSISTENCY, SAID CORE MEANS BEING HYPOALLERGENIC, STABLE OVER A SELECTED TEMPERATURE RANGE AND INCAPABLE OF SUPPORTING THE GROWTH OF ALGAE AND BACTERIA; AND WALL MEANS ADJACENT SAID CORE MEANS FOR PROTECTING THE SAID CORE MEANS FOR EXTERNAL CONTAMINATION.
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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) | 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 |