US3056686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of reinforced articles
Assignee: Owens Corning
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Filing: 1956-08-15
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Granted: 1962-10-02
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Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:14
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MASS OF GLASS REINFORCEMENT IN A PHISICAL FORM HAVING A HIGH RATIO OF SURFACE TO WEIGHT AND, AS A BINDER, AN INORGANIC SILICATE WHICH IS SUBSTANTIALLY FREE OF ANY INGREDIENT HAVING A PH GREATER THAN 10.5, WHICH IS SELECTED FROM THE GROUP CONSISTING OF SILICIC ACID AND ALKALINE EARTH METAL SILICATES, AND WHICH CONTAINS ALKALI METAL CATIONS IN THE FORM OF THEIR PRODUCT OF REACTION WITH AN ION EXCHANGE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZELITES, SULPHONATED COALS, AND SULPHONATED POLYMRIZATES OF MIXTURES COMPRISES A POLYVINYL ARYL COMPOUND AND A MONOVINYL ARYL COMPOUND.
Claim 2
Dependent Claim
102 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MASS OF GLASS REINFORCEMENT IN A PHISICAL FORM HAVING A HIGH RATIO OF SURFACE TO WEIGHT AND, AS A BINDER, AN INORGANIC SILICATE WHICH IS SUBSTANTIALLY FREE OF ANY INGREDIENT HAVING A PH GREATER THAN 10.5, WHICH IS SELECTED FROM THE GROUP CONSISTING OF SILICIC ACID AND ALKALINE EARTH METAL SILICATES, AND WHICH CONTAINS ALKALI METAL CATIONS IN THE FORM OF THEIR PRODUCT OF REACTION WITH AN ION EXCHANGE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZELITES, SULPHONATED COALS, AND SULPHONATED POLYMRIZATES OF MIXTURES COMPRISES A POLYVINYL ARYL COMPOUND AND A MONOVINYL ARYL COMPOUND.
References Cited (Backward Citations)
GB189725861A
Cited
GB209106A
Cited
US2245783A
Cited
US2292199A
Cited
US2425883A
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US2481391A
Cited
US2738285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |