US1592474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the thermal decomposition of gaseous hydrocarbons, natural gas, or the like by heat
Assignee: Individual
•
Filing: 1924-02-23
•
Granted: 1926-07-13
•
Expires: 1944-02-23
Abstract
No abstract record available.
Inventors
- 👤 Szarvasy Imre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/54; C01; C01B; C01B32/00; Y; Y10; Y10S; Y10S48/00; Y10S48/05
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) | 1929-07-12 | 1930-01-11 | 1930-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-12 | 1934-01-11 | 1934-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-12 | 1938-01-11 | 1938-07-13 | $7700.00 | Window Closed / Lapsed |