US2515937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive gold glass and method of making it
Assignee: Corning Glass Works
•
Filing: 1943-12-08
•
Granted: 1950-07-18
•
Expires: 1963-12-08
Abstract
No abstract record available.
Inventors
- 👤 Stookey Stanley Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:16
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/02; B; B44; B44F; B44F1/00; B44F1/08; B44F1/10; C03C14/00; C03C14/006; C03C4/04
Claims Analysis
Total Claims: 0
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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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |