US1567023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous drying kiln and method of drying ware
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1920-10-30
•
Granted: 1925-12-22
•
Expires: 1940-10-30
Abstract
No abstract record available.
Inventors
- 👤 Larsson Thure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:11
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/20; F26B15/00; F26B15/10; F26B15/12; F26B15/16; Y; Y10; Y10S; Y10S56/00; Y10S56/12
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) | 1928-12-21 | 1929-06-22 | 1929-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-21 | 1933-06-22 | 1933-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-21 | 1937-06-22 | 1937-12-22 | $7700.00 | Window Closed / Lapsed |