Patent US2653090A successfully refreshed from Google Patents.
US2653090A
Expired / Lapsed
US
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Glass strand reinforced paper
Assignee: Wausau Paper Mills LLC
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Filing: 1948-05-13
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Granted: 1953-09-22
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Expires: 1968-05-13
Abstract
No abstract record available.
Inventors
- 👤 Henry C Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:46
CPC Classifications
D; D21; D21F; D21F11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249926; Y10T428/31504; Y10T428/31551; Y10T428/31641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A RELATIVELY FLEXIBLE REINFORCED PAPER COMPRISING A PLURALITY OF FLEXIBLE SPACED PARALLEL GLASS YARN STRANDS CONTAINED WITHIN AND WHOLLY COVERED BY A SURROUNDING MATRIX OF AN INTEGRATED FELTED WEB OF PAPER FIBERS, THE GLASS STRANDS RUNNING IN ONE DIRECTION SUBSTANTIALLY THE LENGTH OF THE SHEET IN THAT DIRECTION AND HAVING A CONTINUOUS THIN COATING OF 5-30 WEIGHT PERCENT THEREOF OF A THERMOPLASTIC ADHESIVE SUBSTANCES SECURED THERETO AND WHICH COATING SECURES THE GLASS STRANDS TO THE ADJOINING FIBERS OF SAID WEB.
Claim 2
Dependent Claim
80 words
A RELATIVELY FLEXIBLE REINFORCED PAPER COMPRISING A PLURALITY OF FLEXIBLE SPACED PARALLEL GLASS YARN STRANDS CONTAINED WITHIN AND WHOLLY COVERED BY A SURROUNDING MATRIX OF AN INTEGRATED FELTED WEB OF PAPER FIBERS, THE GLASS STRANDS RUNNING IN ONE DIRECTION SUBSTANTIALLY THE LENGTH OF THE SHEET IN THAT DIRECTION AND HAVING A CONTINUOUS THIN COATING OF 5-30 WEIGHT PERCENT THEREOF OF A THERMOPLASTIC ADHESIVE SUBSTANCES SECURED THERETO AND WHICH COATING SECURES THE GLASS STRANDS TO THE ADJOINING FIBERS OF SAID WEB.
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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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |