US2567951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sponge rubber-textile combination material
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1948-04-07
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Granted: 1951-09-18
•
Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Elisha B Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:20
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/10; B; B32; B32B; B32B17/00; B32B17/02; D06N3/0043; D06N3/0045; D06N3/0056; D06N3/0063; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; D06N2201/00; D06N2201/08; D06N2201/082; D06N2203/00; D06N2203/02; D06N2205/00; D06N2205/04; D06N2205/10; D06N2205/20; D06N2207/00; D06N2207/12; D06N2207/123; D06N2209/00; D06N2209/02; D06N2209/025; D06N2209/06; D06N2209/067; D06N2209/10; D06N2209/106; Y; Y10; Y10T; Y10T428/00; Y10T428/18; Y10T428/183; Y10T428/187; Y10T428/23907; Y10T428/2395; Y10T428/23979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMBINATION MATERIAL CONSISTING OF A TEXTILE LAYER AND A FIRE RESISTANT LAYER OF VULCANIZED SPONGE RUBBER WHICH CONTAINS SODIUM SILICATE, SAID TEXTILE MATERIAL HAVING A NAPPED SURFACE AND SAID SPONGE RUBBER PENETRATING THE INTERSTICES OF SAID TEXTILE LAYER AND FIRMLY ANCHORING THE THREADS OF SAID NAP.
Claim 2
Dependent Claim
47 words
A COMBINATION MATERIAL CONSISTING OF A TEXTILE LAYER AND A FIRE RESISTANT LAYER OF VULCANIZED SPONGE RUBBER WHICH CONTAINS SODIUM SILICATE, SAID TEXTILE MATERIAL HAVING A NAPPED SURFACE AND SAID SPONGE RUBBER PENETRATING THE INTERSTICES OF SAID TEXTILE LAYER AND FIRMLY ANCHORING THE THREADS OF SAID NAP.
References Cited (Backward Citations)
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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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |