US2948650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient cushion and method of manufacture
Assignee: Armour and Co
•
Filing: 1955-06-28
•
Granted: 1960-08-09
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Jackson
- 👤 Donald Van Wagenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:23
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/321; B29K; B29K2021/00; B29K2105/00; B29K2105/0058; B29K2105/0064; B29L; B29L2009/00; B29L2031/00; B29L2031/751; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741; Y10T156/1798; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3366
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF HAIRFOAM RUBBER CUSHION MATERIAL WHICH COMPRISES SPREADING CURLED ANIMAL HAIR IN AN APPROXIMATE STERO-RETICULATE MASS IN THE FOAM OF A PAD OF SUBSTANTIALLY UNIFORM THICKNESS, PARTIALLY DISPERSING THROUGH ONE SURFACE OF SAID PAD A LATEX OF A VULCANIZABLE ELASTOMER, DRYING THE ELASTOMER TO A VULCANIZED CONDITION, PARTIALLY DISPERSING THROUGH THE OPPOSITE SURFACE OF SAID PAD A LATEX OF A VULCANIZABLE ELASTOMER, DRYING THE ELASTOMER TO A TACKY BUT UNVALCANIZED CONDITION, APPLYING A WOVEN FABRIC TO SAID OPPOSITE SURFACE OF SAID PAD, CONTINUOUSLY SPREADING AND LEVELLING A SUBSTANTIALLY HOMOGENEOUS FOAM LATEX ONTO SAID FABRIC TO FORM A LAYER OF FOAM RUBBER OF DESIRED THICKNESS THEREON, AND VULCANIZING THE RESULTING LAMINATE.
Claim 2
Dependent Claim
116 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF HAIRFOAM RUBBER CUSHION MATERIAL WHICH COMPRISES SPREADING CURLED ANIMAL HAIR IN AN APPROXIMATE STERO-RETICULATE MASS IN THE FOAM OF A PAD OF SUBSTANTIALLY UNIFORM THICKNESS, PARTIALLY DISPERSING THROUGH ONE SURFACE OF SAID PAD A LATEX OF A VULCANIZABLE ELASTOMER, DRYING THE ELASTOMER TO A VULCANIZED CONDITION, PARTIALLY DISPERSING THROUGH THE OPPOSITE SURFACE OF SAID PAD A LATEX OF A VULCANIZABLE ELASTOMER, DRYING THE ELASTOMER TO A TACKY BUT UNVALCANIZED CONDITION, APPLYING A WOVEN FABRIC TO SAID OPPOSITE SURFACE OF SAID PAD, CONTINUOUSLY SPREADING AND LEVELLING A SUBSTANTIALLY HOMOGENEOUS FOAM LATEX ONTO SAID FABRIC TO FORM A LAYER OF FOAM RUBBER OF DESIRED THICKNESS THEREON, AND VULCANIZING THE RESULTING LAMINATE.
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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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |