US2155119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for the thermal decomposition of substances or mixtures of same
Assignee: American Lurgi Corp
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Filing: 1936-08-10
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Granted: 1939-04-18
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Expires: 1956-08-10
Abstract
No abstract record available.
Inventors
- 👤 Ebner Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:46
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; C; C01; C01B; C01B13/00; C01B13/14; C01B13/34; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00327; B01J2208/00336; B01J2208/00353; B01J2208/00371; B01J2208/00504; B01J2208/0053; Y; Y10; Y10S; Y10S423/00; Y10S423/01; Y10S423/02
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) | 1942-04-17 | 1942-10-17 | 1943-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-17 | 1946-10-17 | 1947-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-17 | 1950-10-17 | 1951-04-18 | $7700.00 | Window Closed / Lapsed |