US2414413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selenium-containing glass
Assignee: Battelle Memorial Institute Inc
•
Filing: 1942-07-28
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Granted: 1947-01-14
•
Expires: 1962-07-28
Abstract
No abstract record available.
Inventors
- 👤 Arnold E Pavlish
- 👤 Chester R Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:36
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/02; C03C1/00; C03C1/02; C03C1/028; C03C14/00; C03C14/006
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) | 1950-01-13 | 1950-07-15 | 1951-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-13 | 1954-07-15 | 1955-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-13 | 1958-07-15 | 1959-01-14 | $7700.00 | Window Closed / Lapsed |