Patent US2530595A successfully refreshed from Google Patents.
US2530595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile furnace
Assignee: Selas Corp of America
•
Filing: 1947-08-27
•
Granted: 1950-11-21
•
Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
- 👤 Blaha Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:20
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/16; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US505418A
Cited
US1400367A
Cited
US1425499A
Cited
US1407192A
Cited
US1620017A
Cited
US1889928A
Cited
US1889955A
Cited
US2043969A
Cited
US2076739A
Cited
US2320172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |