US2699389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced paper and method of making same
Assignee: Wausau Paper Mills LLC
•
Filing: 1951-07-26
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Granted: 1955-01-11
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Expires: 1971-07-26
Abstract
No abstract record available.
Inventors
- 👤 Henry C Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:03
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; D21F; D21F11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A RELATIVELY SMOOTH SURFACED FLEXIBLE REENFORCED PAPER COMPRISING A FLEXIBLE RETICULAR MESH OF GLASS FIBER 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 HAVING A CONTINUOUS THIN COATING OF A THERMOPLASTIC ADHESIVE SUBSTANCE SECURED THERETO AND SECURING SAID STRANDS TO THE GLASS STRANDS RUNNING IN THE TRANSVERSE DIRECTION AND ALSO SECURING THE GLASS STRANDS TO THE ADJOINING FIBERS OF SAID WEB.
Claim 2
Dependent Claim
78 words
A RELATIVELY SMOOTH SURFACED FLEXIBLE REENFORCED PAPER COMPRISING A FLEXIBLE RETICULAR MESH OF GLASS FIBER 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 HAVING A CONTINUOUS THIN COATING OF A THERMOPLASTIC ADHESIVE SUBSTANCE SECURED THERETO AND SECURING SAID STRANDS TO THE GLASS STRANDS RUNNING IN THE TRANSVERSE DIRECTION AND ALSO SECURING 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) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |