Patent US1851743A successfully refreshed from Google Patents.
US1851743A
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US
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Process and apparatus for treating natural gas
Assignee: Individual
•
Filing: 1926-04-01
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Granted: 1932-03-29
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Expires: 1946-04-01
Abstract
No abstract record available.
Inventors
- 👤 James M Wadsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:39
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/04; C10G2300/00; C10G2300/10; C10G2300/1025; Y; Y10; Y10S; Y10S206/00; Y10S206/80
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) | 1935-03-29 | 1935-09-28 | 1936-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-29 | 1939-09-28 | 1940-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-29 | 1943-09-28 | 1944-03-29 | $7700.00 | Window Closed / Lapsed |