US3291530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient cushion and support therefor
Assignee: Vitafoam Ltd
•
Filing: 1965-09-22
•
Granted: 1966-12-13
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:00
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CUSHION SUPPORT MOULDED FROM A MATERIAL WHICH WILL FLOW WHEN SUBJECTED TO HEAT AND PRESSURE AND WILL BE RESILIENT WHEN COOL, SAID SUPPORT HAVING AN UPPER FLAT SURFACE INCLUDING A CENTRAL AREA AND SURROUNDING EDGES, A RIB FORMED INTEGRALLY WITH SAID SUPPORT AND EXTENDING UPWARDLY FROM SAID SURFACE, SAID RIB BEING LOCATED ALONG AT LEAST ONE SIDE OF SAID CENTRAL AREA OF THE SUPPORT AND SPACED A DISTANCE FROM ITS ADJACENT EDGE, AND RIB EXTENDING UPWARDLY A SUFFICIENT DISTANCE ON ONE SIDE TO RECEIVING AND RETAIN A PORTION OF AN UPHOLSTERY COVER MATERIAL AND ON THE OTHER SIDE FORMS A LOCATION FOR A PAD OF UPHOLSTERY MATERIAL.
Claim 2
Dependent Claim
108 words
A CUSHION SUPPORT MOULDED FROM A MATERIAL WHICH WILL FLOW WHEN SUBJECTED TO HEAT AND PRESSURE AND WILL BE RESILIENT WHEN COOL, SAID SUPPORT HAVING AN UPPER FLAT SURFACE INCLUDING A CENTRAL AREA AND SURROUNDING EDGES, A RIB FORMED INTEGRALLY WITH SAID SUPPORT AND EXTENDING UPWARDLY FROM SAID SURFACE, SAID RIB BEING LOCATED ALONG AT LEAST ONE SIDE OF SAID CENTRAL AREA OF THE SUPPORT AND SPACED A DISTANCE FROM ITS ADJACENT EDGE, AND RIB EXTENDING UPWARDLY A SUFFICIENT DISTANCE ON ONE SIDE TO RECEIVING AND RETAIN A PORTION OF AN UPHOLSTERY COVER MATERIAL AND ON THE OTHER SIDE FORMS A LOCATION FOR A PAD OF UPHOLSTERY MATERIAL.
References Cited (Backward Citations)
US2178670A
Cited
US3000019A
Cited
US3088133A
Cited
US3208085A
Cited
US3161436A
Cited
GB972051A
Cited
US3217786A
Cited
US3237214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |