US2644274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burn-off machine
Assignee: Corning Glass Works
•
Filing: 1949-05-07
•
Granted: 1953-07-07
•
Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/08; C03B33/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686; Y10T279/00; Y10T279/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1432032A
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US1600022A
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US1757211A
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US1987336A
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US1871707A
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US1956647A
Cited
US2091283A
Cited
US2247787A
Cited
US2359433A
Cited
US2416121A
Cited
US2537660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |