US2837455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite upholstery material and method of manufacture
Assignee: Wood Conversion Co
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Filing: 1954-10-11
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Granted: 1958-06-03
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Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Marland S Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:05
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/22; B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/329; B29C44/332; B29C44/334; B68; B68G; B68G11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/249921; Y10T428/249953; Y10T428/249981
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
CUSHIONING MATERIAL COMPRISING A LAYER OF COMPRESSIBLE CUSHIONING FIBER FELT HAVING A MULTIPLICITY OF HOLES FORMED THEREIN AND THERETHROUGH ALONG THE THICK NESS DIMENSION, A LAYER OF SPONGIFORM ELASTOMER UNITED TO ONE FACE OF SAID FELT, AND SPONGIFORM ELASTOMER BODIES SUBSTANTIALLY FILLING SAID HOLES IN THE FELT AND UNITED TO THE FELT AND TO THE SPONGIFORM LAYER AT THEIR INTERFACES, SAID BODIES HAVING THE SURFACES OF THEIR FREE ENDS COEXTENSIVE WITH THE SURFACE OF THE FELT.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |