Patent US2009763A successfully refreshed from Google Patents.
US2009763A
Expired / Lapsed
US
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Fining heat absorbing reduced glass
Assignee: Corning Glass Works
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Filing: 1932-07-30
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Granted: 1935-07-30
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Expires: 1952-07-30
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; C03C1/00; C03C1/004; C03C3/083; C03C3/085; C03C3/087; C03C4/00; C03C4/08; C03C4/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-07-29 | 1939-01-28 | 1939-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-29 | 1943-01-28 | 1943-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-29 | 1947-01-28 | 1947-07-30 | $7700.00 | Window Closed / Lapsed |