US2564882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturating composition for impregnating glass fiber sheet material
Assignee: Patent and Licensing Corp
•
Filing: 1946-11-02
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Granted: 1951-08-21
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Expires: 1966-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard H Cubberley
- 👤 William R Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A SATURATING COMPOSITION FOR IMPREGNATING GLASS FIBER SHEET MATERIAL WHICH AFTER IMPREGNATION IS DRIED TO PRODCUE GLASS FIBER EXPANSION JOINT FILLER STRIPS, WHICH COMPOSITION COMPRISES AN AQUEOUS DISPERSION OF A RUBBERY BINDER, AN EVANESCENT WATER-MISCIBLE WETTING AGENT AND A SMALL AMOUNT OF A THICKENING AGENT FROM THE GROUP CONSISTING OF VEGETABLE GUMS, ALGIN, METHYL CELLULOSE, ADD BENTONITE CLAY, THE AMOUNT OF SAID THICKENING AGENT PRESENT IN SAID COMPOSITION BEING INSUFFICIENT TO PRODUCE A SUBSTANTIAL INCREASE IN THE VISCOSITY OF THE COMPOSITION WHEN IT IS DILUTED TO A SOLID CONTENT OF 2% TO 10%, BUT SUFFICIENT TO PREVENT MIGRATION OF THE RUBBERY BINDER TO THE SURFACE OF THE IMPREGNATED GLASS FIBER SHEET MATERIAL DURING THE SAID DRYING THEREOF.
Claim 2
Dependent Claim
117 words
A SATURATING COMPOSITION FOR IMPREGNATING GLASS FIBER SHEET MATERIAL WHICH AFTER IMPREGNATION IS DRIED TO PRODCUE GLASS FIBER EXPANSION JOINT FILLER STRIPS, WHICH COMPOSITION COMPRISES AN AQUEOUS DISPERSION OF A RUBBERY BINDER, AN EVANESCENT WATER-MISCIBLE WETTING AGENT AND A SMALL AMOUNT OF A THICKENING AGENT FROM THE GROUP CONSISTING OF VEGETABLE GUMS, ALGIN, METHYL CELLULOSE, ADD BENTONITE CLAY, THE AMOUNT OF SAID THICKENING AGENT PRESENT IN SAID COMPOSITION BEING INSUFFICIENT TO PRODUCE A SUBSTANTIAL INCREASE IN THE VISCOSITY OF THE COMPOSITION WHEN IT IS DILUTED TO A SOLID CONTENT OF 2% TO 10%, BUT SUFFICIENT TO PREVENT MIGRATION OF THE RUBBERY BINDER TO THE SURFACE OF THE IMPREGNATED GLASS FIBER SHEET MATERIAL DURING THE SAID DRYING THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |