US3208085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient cushion
Assignee: Vitafoam Ltd
•
Filing: 1962-11-19
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Granted: 1965-09-28
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Grimshaw Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:04
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; A47C7/28; A47C7/282; B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29L; B29L2031/00; B29L2031/58; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITE AND INTEGRAL, RESILIENT CUSHION COMPRISING A RIGID FRAME HAVING AN OPEN CENTRE, A RESILIENT SUPPORT SECURED UNDER TENSION IN AND TO SAID FRAME, ATTACHING MEANS FOR ATTACHING SAID SUPPORT TO SAID FRAME, AND FOAMED AND CURED POLYETHER WHICH HAS BEEN POURED AROUND SAID SUPPORT AND WHICH WHEN COOLED FORMS A CUSHION AND EXTENDS INTO THE SPACE BETWEEN SAID FRAME AND SUPPORT AND SURROUNDS SAID ATTACHING MEANS AND SAID RESILIENT SUPPORT AND IS FIRMLY BONDED TO SAID SUPPORT, SAID ATTACHING MEANS AND FRAME.
Claim 2
Dependent Claim
84 words
A COMPOSITE AND INTEGRAL, RESILIENT CUSHION COMPRISING A RIGID FRAME HAVING AN OPEN CENTRE, A RESILIENT SUPPORT SECURED UNDER TENSION IN AND TO SAID FRAME, ATTACHING MEANS FOR ATTACHING SAID SUPPORT TO SAID FRAME, AND FOAMED AND CURED POLYETHER WHICH HAS BEEN POURED AROUND SAID SUPPORT AND WHICH WHEN COOLED FORMS A CUSHION AND EXTENDS INTO THE SPACE BETWEEN SAID FRAME AND SUPPORT AND SURROUNDS SAID ATTACHING MEANS AND SAID RESILIENT SUPPORT AND IS FIRMLY BONDED TO SAID SUPPORT, SAID ATTACHING MEANS AND FRAME.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |