Patent US3289220A successfully refreshed from Google Patents.
US3289220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion supports
Assignee: Vitafoam Ltd
•
Filing: 1963-05-14
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Granted: 1966-12-06
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Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 Grimshaw Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:56
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282; A47C23/00; A47C23/12; A47C23/20; A47C23/28; A47C7/18; A47C7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CUSHION SUPPORT COMPRISING A UNITARY RESILIENT MEMBER MOULDED FROM A MATERIAL WHICH WILL FLOW WHEN SUBJECTED TO HEAT AND PRESSURE AND WILL BE RESILIENT WHEN COLD, METALLIC REINFORCING MEANS IN THE FORM OF SUBSTANTIALLY U-SHAPED METALLIC CLIPS, THE ARMS OF WHICH ARE, AT THEIR EXTREMITIES, IN CLOSE PROXIMITY MOULDED INTO SAID RESILIENT MEMBER AT LEAST AT THE ENDS THEREOF, HOOK MEANS REMOVABLY ATTACHED TO SAID METALLIC CLIPS, AND TENSION ADJUSTING MEANS ATTACHED TO SAID HOOK MEANS AT LEAST AT ONE END OF SAID RESILIENT SUPPORT, SAID TENSION ADJUSTING MEANS INCLUDING AT LEAST ONE METAL BAR ADAPTED TO BE ADJUSTABLY MOUNTED RELATIVE TO A FURNITURE FRAME, THREADED RODS SECURED TO SAID METAL BAR, AND NUTS AND LOCK-NUTS ON SAID THREADED RODS TO RETAIN SAID METAL BAR IN POSITION AFTER TENSION ADJUSTMENT OF SAID RESILIENT MEMBER.
Claim 2
Dependent Claim
135 words
A CUSHION SUPPORT COMPRISING A UNITARY RESILIENT MEMBER MOULDED FROM A MATERIAL WHICH WILL FLOW WHEN SUBJECTED TO HEAT AND PRESSURE AND WILL BE RESILIENT WHEN COLD, METALLIC REINFORCING MEANS IN THE FORM OF SUBSTANTIALLY U-SHAPED METALLIC CLIPS, THE ARMS OF WHICH ARE, AT THEIR EXTREMITIES, IN CLOSE PROXIMITY MOULDED INTO SAID RESILIENT MEMBER AT LEAST AT THE ENDS THEREOF, HOOK MEANS REMOVABLY ATTACHED TO SAID METALLIC CLIPS, AND TENSION ADJUSTING MEANS ATTACHED TO SAID HOOK MEANS AT LEAST AT ONE END OF SAID RESILIENT SUPPORT, SAID TENSION ADJUSTING MEANS INCLUDING AT LEAST ONE METAL BAR ADAPTED TO BE ADJUSTABLY MOUNTED RELATIVE TO A FURNITURE FRAME, THREADED RODS SECURED TO SAID METAL BAR, AND NUTS AND LOCK-NUTS ON SAID THREADED RODS TO RETAIN SAID METAL BAR IN POSITION AFTER TENSION ADJUSTMENT OF SAID RESILIENT MEMBER.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |