Patent US2555561A successfully refreshed from Google Patents.
US2555561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemically treated laundry bag
Assignee: Celanese Corp
•
Filing: 1946-05-31
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Granted: 1951-06-05
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Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Whitehead William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AS A NEW ARTICLE OF MANUFACTURE, A FABRIC LAUNDRY BAG HAVING A BASIS OF HIGH-TENACITY REGENERATED CELLULOSE YARNS FORMED BY STRETCHING AND THEN SAPONIFYING YARNS HAVING A BASIS OF AN ORGANIC ACID ESTER OF CELLULOSE, WHICH LAUNDRY BAG HAS BEEN TREATED WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE.
Claim 2
Dependent Claim
50 words
AS A NEW ARTICLE OF MANUFACTURE, A FABRIC LAUNDRY BAG HAVING A BASIS OF HIGH-TENACITY REGENERATED CELLULOSE YARNS FORMED BY STRETCHING AND THEN SAPONIFYING YARNS HAVING A BASIS OF AN ORGANIC ACID ESTER OF CELLULOSE, WHICH LAUNDRY BAG HAS BEEN TREATED WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE.
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |