US2976601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of a cellulose staple fiber batting
Assignee: Celanese Corp
•
Filing: 1955-10-07
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Granted: 1961-03-28
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edward T Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:56
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; D06M13/00; D06M13/10; D06M13/144; D06M13/184; D06M13/188; D06M23/00; D06M23/16; D06M23/18; D06Q; D06Q1/00; D06Q1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/29; Y10T428/2904; Y10T428/2909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
PROCESS FOR THE PRODUCTION OF A BATTING OF CELLULOSE STAPLE FIBERS, WHICH COMPRISES TREATING A BATTING CONSISTING ESSENTIALLY OF MECHANICALLY INTERLOCKED ORGANIC ACID ESTER OF CELLULOSE STAPLE FIBERS WITH A SAPONIFYING AGENT TO CONVERT THE FIBERS TO CELLULOSE FIBERS, SAID TREATMENT CONVERTING SAID BATTING TO A MATERIAL SIMILAR TO WOOL FELT.
Claim 2
Dependent Claim
51 words
PROCESS FOR THE PRODUCTION OF A BATTING OF CELLULOSE STAPLE FIBERS, WHICH COMPRISES TREATING A BATTING CONSISTING ESSENTIALLY OF MECHANICALLY INTERLOCKED ORGANIC ACID ESTER OF CELLULOSE STAPLE FIBERS WITH A SAPONIFYING AGENT TO CONVERT THE FIBERS TO CELLULOSE FIBERS, SAID TREATMENT CONVERTING SAID BATTING TO A MATERIAL SIMILAR TO WOOL FELT.
References Cited (Backward Citations)
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US2198660A
Cited
US2437689A
Cited
US2357392A
Cited
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Cited
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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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |