US2094946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure gas making process
Assignee: American Lurgi Corp
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Filing: 1931-02-27
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Granted: 1937-10-05
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Expires: 1951-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hubmann Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:56
CPC Classifications
C; C10; C10J; C10J1/00; C10J1/207; Y; Y10; Y10S; Y10S48/00; Y10S48/02; Y10S48/04; Y10S585/00; Y10S585/929; Y10S585/943
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) | 1940-10-04 | 1941-04-05 | 1941-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-04 | 1945-04-05 | 1945-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-04 | 1949-04-05 | 1949-10-05 | $7700.00 | Window Closed / Lapsed |