US2782019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indirect heat calcining kiln
Assignee: FLSmidth and Co AS
•
Filing: 1952-07-25
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Granted: 1957-02-19
•
Expires: 1972-07-25
Abstract
No abstract record available.
Inventors
- 👤 Turney Arthur Clinton
- 👤 Boleslaw J Zubrzycki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:05
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1881; B01J8/189; B01J8/1836; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00079; B01J2208/00088; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00221; B01J2208/00477; B01J2208/00495; B01J2208/00504
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |