Patent US3237214A successfully refreshed from Google Patents.
US3237214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion supporting members
Assignee: Vitafoam Ltd
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Filing: 1964-07-06
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Granted: 1966-03-01
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Grimshaw Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:07
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/282; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A RESILIENT, ONE-PIECE, RUBBER CUSHION SUPPORT COMPRISING, A GENERALLY RECTANGULAR, FLAT, CENTER PORTION OF SUBSTANTIALLY UNIFORM THICKNESS, FLAT, CENTER PORTION OF EXTENDING OUTWARDLY FROM SAID PORTION AT SPACED LOCATIONS ALONG THE SIDES OF SAID PORTION, METAL ATTACHMENT MEANS MOULDED WITHIN SAID TONGUES, AND A WEB OF THINNER DIMENSION THAN SAID CENTER PORTION AND EXTENDING AROUND THE PERIPHERY OF SAID CENTER PORTION AND EXTENDING OUTWARDLY AT LEAST TO THE SAME EXTENT AS SAID TONGUES AND FILLING THE SPACE BETWEEN SAID TONGUES TO FORM A CONTINUOUS AND FLAT UPPER SURFACE FOR THE ENTIRE SUPPORT.
Claim 2
Dependent Claim
92 words
A RESILIENT, ONE-PIECE, RUBBER CUSHION SUPPORT COMPRISING, A GENERALLY RECTANGULAR, FLAT, CENTER PORTION OF SUBSTANTIALLY UNIFORM THICKNESS, FLAT, CENTER PORTION OF EXTENDING OUTWARDLY FROM SAID PORTION AT SPACED LOCATIONS ALONG THE SIDES OF SAID PORTION, METAL ATTACHMENT MEANS MOULDED WITHIN SAID TONGUES, AND A WEB OF THINNER DIMENSION THAN SAID CENTER PORTION AND EXTENDING AROUND THE PERIPHERY OF SAID CENTER PORTION AND EXTENDING OUTWARDLY AT LEAST TO THE SAME EXTENT AS SAID TONGUES AND FILLING THE SPACE BETWEEN SAID TONGUES TO FORM A CONTINUOUS AND FLAT UPPER SURFACE FOR THE ENTIRE SUPPORT.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |