US2574849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient compressible fibrous product
Assignee: Sponge Rubber Products Co
•
Filing: 1947-08-08
•
Granted: 1951-11-13
•
Expires: 1967-08-08
Abstract
No abstract record available.
Inventors
- 👤 Talalay Anselm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:33
CPC Classifications
D; D04; D04H; D04H1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A RESILENT COMPRESSIBLE BULK MATERIAL OF STEREOETICULATE OPEN FILAMENTARY STRUCTURE COMPRISING AN UNWOVEN UNFELTED SKELETON FRAMEWORK OF RELATIVELY STRONG RESILENT FIBERS INDIVIDUALLY HEAVIER IN CROSS SECTION THAN 74 DENIERS MUTUALLY ENTANGLED IN A MANNER TO LEAVE SPACES THEREBETWEEN OF SUFFICIENT SIZE TO PERMIT SAID FIBERS TO FLEX WITHIN SAID SPACES, AND AN UNWOVEN UNFELTED FLEECE OF RELATIVELY WEAK FIBRILS INDIVIDUALLY MORE FLEXIBLE THAN SAID FIBERS INDIVIDUALLY LIGHTER IN CROSS SECTION THAN 41 DENIERS MUTUALLY ENTANGLED IN A MANNER TO LEAVE VOIDS THEREBETWEEN MORE MINUTE THAN SAID SPACES BUT OF SUFFICIENT SIZE TO PERMIT SAID FIBRILS TO FLEX WITHIN SAID VOIDS, PORTIONS OF SAID FLEECE OCCUPYING SAID SPACES AND FORMING A COMPRESSIBLE AND STRETCHABLE PADDING IMPRISONED AND INTERSPERSED AT LEAST IN PART BETWEEN SAID FIBERS AND PENETRATED THEREBY, AND A RESILENT AGGLUTINANT SUBSTANCE THINLY COATING AND BONDING TO ONE ANOTHER AT SPACED POINTS SAID FIBERS AND COATING AND BONDING TO ONE ANOTHER AT SPACED POINTS SAID FIBRILS AND BONDING TO ONE ANOTHER AT SPACED POINTS AT LEAST SOME OF SAID FIBERS AND SOME OF SAID FIBRILS, SAID COATING BEING SUFFICIENTLY SPARSE TO LEAVE EMPTY ROOM IN SAID SPACES AND VOIDS SUFFICIENT TO PERMIT FREE INDIVIDUAL FLEXING OF SAID THINLY COATED FIBERS AND FIBRILS THEREIN IN UNBONDED SECTIONS OF THEIR LENGTH.
Claim 2
Dependent Claim
209 words
A RESILENT COMPRESSIBLE BULK MATERIAL OF STEREOETICULATE OPEN FILAMENTARY STRUCTURE COMPRISING AN UNWOVEN UNFELTED SKELETON FRAMEWORK OF RELATIVELY STRONG RESILENT FIBERS INDIVIDUALLY HEAVIER IN CROSS SECTION THAN 74 DENIERS MUTUALLY ENTANGLED IN A MANNER TO LEAVE SPACES THEREBETWEEN OF SUFFICIENT SIZE TO PERMIT SAID FIBERS TO FLEX WITHIN SAID SPACES, AND AN UNWOVEN UNFELTED FLEECE OF RELATIVELY WEAK FIBRILS INDIVIDUALLY MORE FLEXIBLE THAN SAID FIBERS INDIVIDUALLY LIGHTER IN CROSS SECTION THAN 41 DENIERS MUTUALLY ENTANGLED IN A MANNER TO LEAVE VOIDS THEREBETWEEN MORE MINUTE THAN SAID SPACES BUT OF SUFFICIENT SIZE TO PERMIT SAID FIBRILS TO FLEX WITHIN SAID VOIDS, PORTIONS OF SAID FLEECE OCCUPYING SAID SPACES AND FORMING A COMPRESSIBLE AND STRETCHABLE PADDING IMPRISONED AND INTERSPERSED AT LEAST IN PART BETWEEN SAID FIBERS AND PENETRATED THEREBY, AND A RESILENT AGGLUTINANT SUBSTANCE THINLY COATING AND BONDING TO ONE ANOTHER AT SPACED POINTS SAID FIBERS AND COATING AND BONDING TO ONE ANOTHER AT SPACED POINTS SAID FIBRILS AND BONDING TO ONE ANOTHER AT SPACED POINTS AT LEAST SOME OF SAID FIBERS AND SOME OF SAID FIBRILS, SAID COATING BEING SUFFICIENTLY SPARSE TO LEAVE EMPTY ROOM IN SAID SPACES AND VOIDS SUFFICIENT TO PERMIT FREE INDIVIDUAL FLEXING OF SAID THINLY COATED FIBERS AND FIBRILS THEREIN IN UNBONDED SECTIONS OF THEIR LENGTH.
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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) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |