US2859109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felted products containing glass filaments
Assignee: Hawley Products Co
•
Filing: 1954-12-31
•
Granted: 1958-11-04
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Don M Hawley
- 👤 John C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/40; Y; Y10; Y10S; Y10S220/00; Y10S220/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FELTED ARTICLE CONSISTING ESSENTIALLY OF INDIVIDUAL CUT FLEXIBLE THREAD-LIKE BUNDLES OF GLASS FILAMENTS 1/8 INCH TO 8 INCHES LONG INTERMINGLED WITH ONE ANOTHER AND DISPERSED WITH HYDRATABLE FIBERS, SAID BUNDLES EACH BEING COATED WITH ABOUT 5% TO 50% BY WEIGHT OF A WATER INSOLUBLE ADHERENT COATING MATERIAL, THE QUANTITY OF SAID HYDRATABLE FIBERS BEING WITHIN THE RANGE OF 5% TO 95% BY WEIGHT OF THE TOTAL FIBERS.
Claim 2
Dependent Claim
68 words
A FELTED ARTICLE CONSISTING ESSENTIALLY OF INDIVIDUAL CUT FLEXIBLE THREAD-LIKE BUNDLES OF GLASS FILAMENTS 1/8 INCH TO 8 INCHES LONG INTERMINGLED WITH ONE ANOTHER AND DISPERSED WITH HYDRATABLE FIBERS, SAID BUNDLES EACH BEING COATED WITH ABOUT 5% TO 50% BY WEIGHT OF A WATER INSOLUBLE ADHERENT COATING MATERIAL, THE QUANTITY OF SAID HYDRATABLE FIBERS BEING WITHIN THE RANGE OF 5% TO 95% BY WEIGHT OF THE TOTAL FIBERS.
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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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |