Patent US2885308A successfully refreshed from Google Patents.
US2885308A
Expired / Lapsed
US
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Spinnable textile fibers treated with colloidal silica
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-05-18
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Granted: 1959-05-05
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jr John J Healy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:38
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
SPINNABLE TEXTILE FIBRES COMPRISING SPINNABLE TEXTILE FIBRES CONTAINING FROM ABOUT 09/5 TO 3% BY WEIGHT, BASED ON THE WEIGHT OF THE DRY FIBRES, OF COLLIDAL SILICA PARTICLES HAVING AN AVERAGE PARTICLE SIZE BETWEEN 250 AND 800 MILLIMICRONS.
Claim 2
Dependent Claim
37 words
SPINNABLE TEXTILE FIBRES COMPRISING SPINNABLE TEXTILE FIBRES CONTAINING FROM ABOUT 09/5 TO 3% BY WEIGHT, BASED ON THE WEIGHT OF THE DRY FIBRES, OF COLLIDAL SILICA PARTICLES HAVING AN AVERAGE PARTICLE SIZE BETWEEN 250 AND 800 MILLIMICRONS.
References Cited (Backward Citations)
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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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |