US1237520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for coating kiln-baked articles.
Assignee: CLAY PRODUCTS CO
•
Filing: 1917-01-22
•
Granted: 1917-08-21
•
Expires: 1937-01-22
Abstract
No abstract record available.
Inventors
- 👤 John W Ivery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:24
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) | 1920-08-20 | 1921-02-19 | 1921-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-20 | 1925-02-19 | 1925-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-20 | 1929-02-19 | 1929-08-21 | $7700.00 | Window Closed / Lapsed |