Patent US2569472A successfully refreshed from Google Patents.
US2569472A
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Apparatus and method for manufacturing silicate fibers and frit
Assignee: O Hommel Co
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Filing: 1947-11-03
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Granted: 1951-10-02
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Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Hommel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:04
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
APPARATUS FOR CONVERTING FUSED GLASS INTO FIBERS COMPRISING A FOREHEARTH IN WHICH MOLTEN GLASS IS MAINTAINED, A NOZZLE IMMERSED IN THE GLASS AND PROJECTING FROM THE FOREHEARTH NORMAL TO THE PLANE OF THE FOREHEARTH, SAID NOZZLE HAVING A CUP-SHAPED TERMINAL IN THE OUTERMOST END THEREOF, MEANS FOR DIRECTING A STREAM OF AIR IN A DIRECTION GENERALLY AXIAL OF THE NOZZLE ANNULARLY ABOUT THE NOZZLE AND WITH A GENERALLY NON-SWIRLING MOTION WHEREBY THE GLASS IS DRAWN THROUGH THE NOZZLE AND DRAWN OFF THE LIP OF THE CUP AS FIBERS AND CARRIED IN A SUBSTANTIALLY STRAIGHT PATH AWAY FROM THE NOZZLE.
References Cited (Backward Citations)
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US1859992A
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US2062505A
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US2127116A
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US2317895A
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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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |