US2888781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water cooled skimmer for glass furnace forehearth
Assignee: OI Glass Inc
•
Filing: 1955-08-30
•
Granted: 1959-06-02
•
Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 George L Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:09
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/20; C03B5/205; C03B5/18; C03B5/187; C03B5/1875; C03B5/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1615832A
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US1937321A
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US1999762A
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US2115408A
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US2593197A
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US2707621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |