US2320099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-glazed ceramic product and method for producing the same
Assignee: Stark Brick Co
•
Filing: 1940-09-24
•
Granted: 1943-05-25
•
Expires: 1960-09-24
Abstract
No abstract record available.
Inventors
- 👤 William S Ramsay
- 👤 George A Bole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:21
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/32; C04B33/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-05-24 | 1946-11-23 | 1947-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-24 | 1950-11-23 | 1951-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-24 | 1954-11-23 | 1955-05-25 | $7700.00 | Window Closed / Lapsed |