Patent US2736652A successfully refreshed from Google Patents.
US2736652A
Expired / Lapsed
US
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Fibrous products comprising fibers bonded with dextran xanthate
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1954-08-18
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Granted: 1956-02-28
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Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Leo J Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:44
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COHERENT FIBROUS STRUCTURE COMPRISING DISCONTINUOUS FIBERS BONDED TOGETHER BY DEXTRAN XANTHATE.
Claim 2
Dependent Claim
12 words
A COHERENT FIBROUS STRUCTURE COMPRISING DISCONTINUOUS FIBERS BONDED TOGETHER BY DEXTRAN XANTHATE.
References Cited (Backward Citations)
US1870259A
Cited
US2056294A
Cited
GB517397A
Cited
US2357962A
Cited
US2626214A
Cited
US2609368A
Cited
US2674517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |