US2026441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calciner
Assignee: Traylor Engineering & Manufacturing Co
•
Filing: 1933-11-28
•
Granted: 1935-12-31
•
Expires: 1953-11-28
Abstract
No abstract record available.
Inventors
- 👤 Ruland R Shafter
- 👤 Bernhard Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:15
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/38; A; A43; A43D; A43D3/00; A43D3/10; B; B01; B01J; B01J6/00; F27B17/00
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) | 1938-12-30 | 1939-07-01 | 1939-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-30 | 1943-07-01 | 1943-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-30 | 1947-07-01 | 1947-12-31 | $7700.00 | Window Closed / Lapsed |