Patent US2538899A successfully refreshed from Google Patents.
US2538899A
Expired / Lapsed
US
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Process for the production of batting material
Assignee: Celanese Corp
•
Filing: 1944-07-07
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Granted: 1951-01-23
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Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Dodge
- 👤 Schneider George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:10
CPC Classifications
D; D04; D04H; D04H5/00; D04H5/06; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
PROCESS FOR THE PRODUCTION OF A BATTING MATERIAL OF LOOSELY MATTED STAPLE FIBERS WHEREIN THE MIGRATION OF THE STAPLE FIBERS IS RESTRAINED, WHICH COMPRISES FORMING AN ASSEMBLY BY INTERPOSING A BATTING MATERIAL COMPRISING LOOSELY MATTED THERMOPLASTIC FIBERS HAVING A BASIS OF AN ORGANIC DERIVATIVE OF CELLULOSE BETWEEN LAYERS OF FABRIC, PIERCING LOCAL AREAS OF THE ASSEMBLY WITH A SHARP INSTRUMENT AND SIMULTANEOUSLY WITH THE PIERCING OF SAID ASSEMBLY FURNISHING TO THE PIERCED AREAS A VOLATILE LIQUID WHICH IS A SOLVENT FOR SAID ORGANIC DERIVATIVE OF CELLULOSE STAPLE FIBERS, WHEREBY THE VOLATILE LIQUID COMES INTO IMMEDIATE CONTACT WITH THE FABRIC LAYERS AND THE STAPLE FIBERS AND EFFECTS A SOFTENING OF THE
Claim 2
Dependent Claim
110 words
PROCESS FOR THE PRODUCTION OF A BATTING MATERIAL OF LOOSELY MATTED STAPLE FIBERS WHEREIN THE MIGRATION OF THE STAPLE FIBERS IS RESTRAINED, WHICH COMPRISES FORMING AN ASSEMBLY BY INTERPOSING A BATTING MATERIAL COMPRISING LOOSELY MATTED THERMOPLASTIC FIBERS HAVING A BASIS OF AN ORGANIC DERIVATIVE OF CELLULOSE BETWEEN LAYERS OF FABRIC, PIERCING LOCAL AREAS OF THE ASSEMBLY WITH A SHARP INSTRUMENT AND SIMULTANEOUSLY WITH THE PIERCING OF SAID ASSEMBLY FURNISHING TO THE PIERCED AREAS A VOLATILE LIQUID WHICH IS A SOLVENT FOR SAID ORGANIC DERIVATIVE OF CELLULOSE STAPLE FIBERS, WHEREBY THE VOLATILE LIQUID COMES INTO IMMEDIATE CONTACT WITH THE FABRIC LAYERS AND THE STAPLE FIBERS AND EFFECTS A SOFTENING OF THE
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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) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |