US3205515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite cushions of cellular material
Assignee: Individual
•
Filing: 1963-01-14
•
Granted: 1965-09-14
•
Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Unger Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/15; A47G; A47G9/00; A47G9/10; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A CUSHION OF CELLULAR RESILIENT ELASTOMERIC MATERIAL COMPRISING A PLURALITY OF OUTER LAYERS HAVING INNER FACES CUT OUT TO FORM CONICAL PROJECTIONS AND SPACES, A CENTRAL LAYER AND A PLURALITY OF INTERMEDIATE LAYERS OF SIMILAR MATERIAL DISPOSED THEREBETWEEN, SAID INTERMEDIATE LAYERS BE ING CUT OUT TO FORM FRUSTO-CONICAL PROJECTIONS AND SPACES WITH THE SMALL END OF THE FRUSTO-CONICAL SPACES IN ALIGNMENT WITH THE TIPS OF THE CONICAL PROJECTIONS OF THE OUTER
Claim 2
Dependent Claim
71 words
A CUSHION OF CELLULAR RESILIENT ELASTOMERIC MATERIAL COMPRISING A PLURALITY OF OUTER LAYERS HAVING INNER FACES CUT OUT TO FORM CONICAL PROJECTIONS AND SPACES, A CENTRAL LAYER AND A PLURALITY OF INTERMEDIATE LAYERS OF SIMILAR MATERIAL DISPOSED THEREBETWEEN, SAID INTERMEDIATE LAYERS BE ING CUT OUT TO FORM FRUSTO-CONICAL PROJECTIONS AND SPACES WITH THE SMALL END OF THE FRUSTO-CONICAL SPACES IN ALIGNMENT WITH THE TIPS OF THE CONICAL PROJECTIONS OF THE OUTER
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |