US2702241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber material
Assignee: Hawley Products Co
•
Filing: 1950-10-07
•
Granted: 1955-02-15
•
Expires: 1970-10-07
Abstract
No abstract record available.
Inventors
- 👤 Don M Hawley
- 👤 John C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/40; Y; Y10; Y10S; Y10S264/00; Y10S264/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF FORMING ARTICLES CONTAINING INDIVIDUAL THREAD-LIKE BUNDLES OF GLASS FILAMENTS WHICH COMPRISES DISPERSING INDIVIDUAL CUT FLEXIBLE THREAD-LIKE BUNDLES OF GLASS FILAMENTS IN WATER TO FORM AN AQUEOUS SLURRY, SAID BUNDLES EACH BEING COATED WITH A QUANTITY OF A WATER INSOLUBLE ADHERENT COATING MATERIAL SUFFICIENT TO PREVENT THE CUT BUNDLES FROM SEPARATING INTO INDIVIDUAL FILAMENTS IN SAID SLURRY BUT INSUFFICIENT TO DESTROY THE FLEXIBILITY OF SAID BUNDLES, AND FELTING AN ARTICLE FROM SAID AQUEOUS SLURRY.
Claim 2
Independent Claim
76 words
THE METHOD OF FORMING ARTICLES CONTAINING INDIVIDUAL THREAD-LIKE BUNDLES OF GLASS FILAMENTS WHICH COMPRISES DISPERSING INDIVIDUAL CUT FLEXIBLE THREAD-LIKE BUNDLES OF GLASS FILAMENTS IN WATER TO FORM AN AQUEOUS SLURRY, SAID BUNDLES EACH BEING COATED WITH A QUANTITY OF A WATER INSOLUBLE ADHERENT COATING MATERIAL SUFFICIENT TO PREVENT THE CUT BUNDLES FROM SEPARATING INTO INDIVIDUAL FILAMENTS IN SAID SLURRY BUT INSUFFICIENT TO DESTROY THE FLEXIBILITY OF SAID BUNDLES, AND FELTING AN ARTICLE FROM SAID AQUEOUS SLURRY.
References Cited (Backward Citations)
US1226779A
Cited
US1972493A
Cited
GB497059A
Cited
US2225100A
Cited
US2230272A
Cited
US2237745A
Cited
US2344733A
Cited
US2354110A
Cited
US2459804A
Cited
US2457775A
Cited
US2504744A
Cited
US2477555A
Cited
US2554934A
Cited
US2469409A
Cited
US2611718A
Cited
US2504845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |