US2814162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for production of metallized and bonded blown glass fibers
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1954-06-25
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Granted: 1957-11-26
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Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:43
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; B; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN APPARATUS FOR PRODUCING A GLASS FIBER MAT OF INDETERMINATE LENGTH AND HAVING ITS OPPOSITE SURFACE METALLIZED, THE COMBINATION WITH A REFRACTORY HEATING FURNACE FOR HOLDING MOLTEN GLASS AND MEANS FOR WITHDRAWING FILA-MENTS OF GLASS THEREFROM WHICH ARE ATTENUATED AND BLOWN INTO A MASS OF FINE GLASS FIBERS, OF A FIRST ENDLESS BELT ARRANGED TO RECEIVE AND FORM A MOVABLE SUPPORT FOR SAID MASS OF BLOWN GLASS FIBERS AND WHICH ARE DIRECTED THEREAGAINST, A GAS PLATING CHAMBER, MEANS FOR GUIDING THEE GLASS FIBER MAT-LADEN BELT THROUGH SAID GAS PLATING CHAMBER, CONDUIT MEANS CONNECTED WITH SAID CHAMBER FOR INTRODUCING A HEAT-DECOMPOSABLE GASEOUS METAL BEARING COMPOUND THEREIN, MEANS FOR HEATING THE OUTER EXPOSED SURFACE PORTION OF SAID GLASS FIBER MAT WHILE SUPPORTED ON SAID BELT AND IMMEDIATELY BEFORE INTRODUCING THE THUS HEATED GLASS FIBER MAT INTO AND THROUGH SAID GAS PLATING
Claim 2
Dependent Claim
139 words
IN APPARATUS FOR PRODUCING A GLASS FIBER MAT OF INDETERMINATE LENGTH AND HAVING ITS OPPOSITE SURFACE METALLIZED, THE COMBINATION WITH A REFRACTORY HEATING FURNACE FOR HOLDING MOLTEN GLASS AND MEANS FOR WITHDRAWING FILA-MENTS OF GLASS THEREFROM WHICH ARE ATTENUATED AND BLOWN INTO A MASS OF FINE GLASS FIBERS, OF A FIRST ENDLESS BELT ARRANGED TO RECEIVE AND FORM A MOVABLE SUPPORT FOR SAID MASS OF BLOWN GLASS FIBERS AND WHICH ARE DIRECTED THEREAGAINST, A GAS PLATING CHAMBER, MEANS FOR GUIDING THEE GLASS FIBER MAT-LADEN BELT THROUGH SAID GAS PLATING CHAMBER, CONDUIT MEANS CONNECTED WITH SAID CHAMBER FOR INTRODUCING A HEAT-DECOMPOSABLE GASEOUS METAL BEARING COMPOUND THEREIN, MEANS FOR HEATING THE OUTER EXPOSED SURFACE PORTION OF SAID GLASS FIBER MAT WHILE SUPPORTED ON SAID BELT AND IMMEDIATELY BEFORE INTRODUCING THE THUS HEATED GLASS FIBER MAT INTO AND THROUGH SAID GAS PLATING
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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) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |