US2873555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chute for conveying molten glass
Assignee: OI Glass Inc
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Filing: 1954-01-27
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Granted: 1959-02-17
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Expires: 1974-01-27
Abstract
No abstract record available.
Inventors
- 👤 Conrad Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/167; C03B5/1672; C03B7/00; C03B7/14; C03B7/16; C10; C10M; C10M7/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2209/00; C10M2209/10; C10M2209/101; C10N; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
APPARATUS FOR RECEIVING AND DELIVERING A GOB OF MOLTEN GLASS WHICH COMPRISE A CHUTE STRUCTURE HAVING AN INCLINED GLASS GUIDING SURFACE, AND HEAT-BONDED TO SAID SURFACE A COATING CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF A THERMO-SETTING RESIN, GRAPHITE, AND NOT LESS THAN 10% BY WEIGHT NOR MORE THAN 50% BY WEIGHT OF SULPHUR.
Claim 2
Dependent Claim
54 words
APPARATUS FOR RECEIVING AND DELIVERING A GOB OF MOLTEN GLASS WHICH COMPRISE A CHUTE STRUCTURE HAVING AN INCLINED GLASS GUIDING SURFACE, AND HEAT-BONDED TO SAID SURFACE A COATING CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF A THERMO-SETTING RESIN, GRAPHITE, AND NOT LESS THAN 10% BY WEIGHT NOR MORE THAN 50% BY WEIGHT OF SULPHUR.
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |