US2295945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of vitreous enameled articles
Assignee: AT&T Inc
•
Filing: 1940-01-24
•
Granted: 1942-09-15
•
Expires: 1960-01-24
Abstract
No abstract record available.
Inventors
- 👤 Howard J Fralich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:18
CPC Classifications
C; C23; C23D; C23D5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618; Y10T428/21; Y10T428/216; Y10T428/218
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |